Feature:1. 300 hours long standby time, can work continuously for a long time. Support compatible for iOS system (applicable to compatible for iPhone, etc.) power display and battery prompt. 2. Voice-activated dialing function, clear call, last code redial, call rejection, Chinese and English switching. Name: Bluetooth-compatible Headset Material: ABS; Color: black, white (optional); Conform to Bluetooth-compatible standard: V5.0; Support: HSP, HFP, A2DP, AVRCP; Transmission power: Class2; Wireless connection range: &le;10 meters/32.81 feet; Operating frequency range: 2.4026GHz-2.480GHz; Charging time: 3.5 hours; Talk time: 20 hours; Playing time: 16 hours; Standby time: 300 hours; Packing list: 1 x Bluetooth-compatible Headset 1 x Charging Cable 1 x Storage Bag 1 x Instructions 1 x Packing Box 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>

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