Feature:1: Incoming call number reminder. 2: Universal for all smartphones. Product Name: Open-type Non-in-ear Sports Bluetooth-compatible Headset Product chip: BK3266 Bluetooth-compatible version: V5.2 Bluetooth-compatible protocol: A2DP AVRCP HFP HSP Communication distance: 10 meters Transmission frequency: 10HZ-20KHZ Continuous call: about 10 hours Play music: about 10 hours Standby time: about 140 hours Charging time: about 2 hours Battery capacity: 140mAh Charging interface: TYPE-C Headphone size: 45.27 x 17.9 x 13.49mm Color : Black, Red, Green, Blue Packing list: Headset x 1 Charging Cable x 1 Instruction x 1 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>

Hi70 Headset Wireless Bluetooth 5.2 Hd Call Headphones Lightweight Hanging Neck Sports Earphone Blue