・A new generation of Bluetooth-compatible 5.2 chip,bringing efficient and convenient use,ultra-low latency voice synchronization ・Double noise reduction system,filter the noise of the external environment,deep noise reduction,so that the call is as clear as a face-to-face interview ・LED power display,you can know the power at any time,humanized design ・According to the shape of the auricle of the human body,disperse the stress points of the ears,so that the ears are even and not easy to fall,and there is no feeling of falling under zero weight ・Support multiple APP platforms,Bluetooth-compatible transmission connection distance up to 10M ・Built-in rotatable shaft,easy to rotate 270°,you can adjust the comfortable angle according to your wearing habits ・The connection is stable and does not drop,play games and listen to the sound position,high-definition video with lower latency,audio and video synchronization ・Soft rubber hook design,can be adjusted according to different ear shapes,wear more comfortable Specification: ・Material:ABS+plating+food silicone ear caps ・Bluetooth-compatible version:version 5.2 ・Bluetooth-compatible distance:about 10 meters ・Battery capacity:300mAh ・Music/talk time:about 30 hours ・Charging time:about 2 hours ・Design:universal for left and right ears,rotatable ・Support protocol:HEP/HSP/A2D/AVRCP ・Waterproof rating:IPX 5 ・Headphone size:7.2*6*2.1cm Package included: ・1 x Bluetooth-compatible Earphone ・1 x Charging Cable ・1 x English and Chinese User Manual