Feature:1. Designed for sports use, the innovative ergonomics and waterproof and sweat proof design make these headphones comfortable and safe during sports, running, jogging, hiking, exercise, etc. 2. Fashionable appearance and built-in Bluetooth-compatible chip and hifi stereo headset ensure that you can enjoy high-quality bass stereo. 3. Mini portable wireless headset with built-in microphone and powerful noise reduction function produces clear and loud sound, which is convenient and easy to answer and complete calls. Product name: Wireless Headphones Product model: S109 Bluetooth-compatible version: BT4 two Applicable mode: single ear - hanging ear - in ear (both left and right) Battery capacity: 120mAh Standby time: &asymp; 72h Service time: &asymp; 4H Charging time: &asymp; 2H Product color: / Black / White / blue Product weight: &asymp; 12g / 21g / 43g Product size: &asymp; 75 x 55 x 13mm (irregular measurement) Packing list: 1 x Headphones 1 x Charging Line 1 x Instructions 1 x Opp Bag 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>

S109 Bluetooth-compatible Wireless Earphone Business Hands-free Calling Waterproof Headset