Feature: 1. The product can be connected to two mobile phones at the same time to realize the control of the basic functions of the mobile phone, (answering calls, playing music, radio and FM), and can also be connected with third-party Bluetooth headsets to meet all the needs of customers. 2. The product supports compatible for IOS, some ANDROID system headset power display, check the power anytime, anywhere, at a glance. 3. The product adopts CVC8.0 double-meter noise reduction, DSP software algorithm intelligent quadruple noise reduction, high-definition calls are unobstructed, and the lines adopt fluid engineering streamline design, which greatly reduces wind resistance and achieves the coexistence of appearance and strength. 4. The product adopts 800mAh large-capacity rechargeable polymer lithium battery, which can be used at the same time and charged at one time during the riding process, so as to realize both charging and use. 5. The product is equipped with soft and hard earphones, Velcro bottom clip seat, front and rear bottom seat, suitable for different types of helmets, such as full helmet, half helmet, open-face helmet, three-quarter helmet, off-road helmet, retro helmet, etc. Helmet type, suitable for a wide range. Product name: Helmet Headset Product color: blue, orange, gray, black Net weight: 150g Gross weight: 342g Packing method: color box Package size: 18 x 14 x 4.3cm Bluetooth version: Qualcomm 5.1 chip Battery capacity: 800mA Playback duration: more than 22 hours Standby time: 400 hours Charging time: about 2.5 hours Charging interface: type-C Android call plug Battery type: rechargeable lithium polymer battery Power requirements: minimum 5V = 1A FM support range: 87-108m Intercom distance: 800 ~ 1000M Talkback number: 2 Bluetooth-compatible intercom mode: two person mode Connection mode: series connection Noise reduction capacity: above 120 per hour Call: CVC8 0 call noise reduction Installation method: clip installation and Velcro installation Operating temperature: - 10 __� ~ 55 __� Storage temperature: - 20 __� ~ 60 __� (the actual time may be different for different mobile phone types or different use states) (the working distance may deviate due to the influence of environment and climate) Language operation steps: (1) Switch machine 1. Power on: in the power off state, long press the on / off key for 2 seconds. After hearing the &quot;power on&quot; prompt, the current power of Bluetooth host will be broadcast automatically, and the Bluetooth indicator will be on for 2 seconds 2. Power off: in the power on state, press and hold the power on / off button for 5 seconds. After hearing the &quot;power off&quot; prompt, the red indicator will be on for 2 seconds (2) Mobile phone pairing: when pairing with a mobile phone, confirm that the mobile phone and Bluetooth headset are within the visible range of 1m. The three operations are as follows: 1. Long press the start button for 5 seconds, see the red and blue lights blink alternately, and hear the prompt tone of &quot;pairing mode&quot; 2. Actively disconnect the Bluetooth headset at the mobile terminal, see the red and blue lights flashing alternately, and hear the prompt tone of &quot;pairing mode&quot; 3. Press and hold the multi-function button for 5 seconds in the power on state, see the red and blue lights blink alternately, and hear the prompt tone of &quot;pairing mode&quot; (3) Intercom pairing: 1. Step 1: confirm that both S2 are in the on state and placed within 1m 2. Step 2: turn on the two S2, press the intercom button for 5 seconds, see the blue light flash and hear the prompt tone of &quot;intercom pairing mode&quot; 3. Step 3: for the exception one, press the multi-function button for 5 seconds, see the red and blue light flashing and hear the prompt tone of &quot;pairing mode&quot; (4) Bluetooth-compatible intercom: prompt &quot;turn on intercom mode or turn off intercom mode&quot; (graphic demonstration is best) (5) Answer a call 1. Answer an incoming call: in the incoming call state, briefly press the multi-function key 2. Automatic answering of incoming calls: in the incoming call state, automatic answering is not operated for 10 seconds after the incoming call 3. Reject incoming call: in the incoming call state, long press the multi-function key for 2 seconds 4. Switch the headset to the mobile phone: long press the multi-function key for 2 seconds in the call state 5. Terminate the call: in the call state, briefly press the multi-function key 6. Voice assistant: when connected, long press the multi-function key for about 2 seconds and let go (this function requires the mobile phone to support voice dialing. For details, follow the instructions of the mobile phone manual) and prompt &quot;voice call&quot; 7. End code redial: double click the multi-function key when connected. Prompt &quot;last code redial&quot; (6) Volume 1. Volume increase: in FM mode and music state, turn the knob clockwise for 1 time. Maximum volume prompt &quot;drop&quot; 2. Volume reduction: in FM mode and music state, rotate the knob counterclockwise for 1 time. Minimum volume prompt &quot;beep&quot; 3. Multi language conversion: in pairing mode, double-click FM and intercom buttons at the same time 4. Restore factory settings: in pairing mode, long press the intercom key and multi-function key for 5 seconds to clear the pairing information (7) FM function 1. Turn on FM: in the power on state, press and hold the FM key for 2 seconds. Prompt &quot;FM mode&quot; 2. Turn off FM: in the power on state, press and hold the FM key for 2 seconds. Prompt &quot;Bluetooth mode&quot; 3. Previous machine: when the machine is turned on, turn the knob counterclockwise for 2 seconds and release it 4. Next: turn the knob clockwise for 2 seconds and release it when the machine is turned on (8) Music 1. Music play / pause: when playing music, briefly press the multi-function key, and repeat the operation to pause 2. Next song: when playing music, turn the knob clockwise for 2 seconds and release it 3. Previous song: when playing music, turn the knob counterclockwise for 2 seconds and release it Two S2 connections: 1. Step 1: ensure that both S2 are on and placed within 1m visual range 2. Step 2: turn on two S2. After turning on, double-click the intercom button on any headset to hear the prompt of &quot;turn on intercom&quot;. After briefly pressing the multi-function button, you will hear the prompt of &quot;initiate intercom&quot;. If the intercom connection is successful, you will hear the prompt of &quot;intercom connected&quot;. If there is no connection within one minute, there will be a prompt of &quot;link timeout&quot; (a prompt of &quot;beep&quot; every 15 seconds during the connection process) Function priority: 1. Level I: intercom connected by telephone or adapter 2. Level II: intercom connected to intercom control line 3. Level III: Bluetooth intercom 4. Level 4: FM or music Bluetooth-compatible status indication and prompt: 1. Power on status (when you hear &quot;Bluetooth connected&quot; when Bluetooth is connected, the Bluetooth indicator flashes once every 12 seconds; when you hear &quot;Bluetooth disconnected&quot; when Bluetooth is disconnected, the blue indicator flashes twice every 12 seconds) 2. Low power alarm (when the machine is turned on, it will prompt &quot;low battery, please charge&quot; every 60 seconds, and the indicator light will turn to red light and flash) 3. Charging state (the red light is on during charging, the red light is off after charging, and the blue light is on for 10 seconds) 4. Voice prompt of power on: please charge from 100% to 10% Matters needing attention: 1. The applicable storage temperature of this product is - 20 __� to 60 __�. Do not store it in an environment with too high or too low temperature, otherwise the service life of the product will be affected; 2. If you do not use this product for a long time, please store it in a dry place and charge the product regularly (once every three months) to ensure that the product can work normally Packing list: Host x 1 Hard wheat x 1 Soft wheat x 1 Headset fixed magic tape x 2 Allen wrench x 1 Velcro fixed base x 1 Clip fixing base x 1 Charging line x 1 Hard wheat fixed magic tape x 1 Soft wheat fixed Velcro x 1 Headset x 1 Clip fixing screw x 2 Note: 1. Due to manual measurement, please allow 1-3cm error. Make sure you don&#39;t mind before bidding. 2. Due to the difference of different monitors, the picture may not reflect the actual color of the product. Thanks. <div class="panel panel-info"><div class="panel-heading" style="font-weight:bold;">IMPORT: THIS ITEM IS SHIPPED FROM CHINA. PLEASE EXPECT UP TO 25 DAYS FOR DELIVERY</div></div>

1 set Motorcycle Helmet Bluetooth-compatible Headset S2 Double Intercom Headphones Hands-free blue