Description:Bluetooth-compatible: True wirele s are equipped with the most advanced Bluetooth 5.0 technology ensures stable connections with mobile phones.Easy operation: The wirele headphones has on control functions, easy to operate with your hands when you are driving, working, running, etc.Lole sound: The hands-free s come with HD sound quality with deep ba, which helps enjoy your music moment even in a loud environment.Ergonomic design: The wirele earphones are comfortable to wear for a long time, and you will never worry about hurting your ears.Low power consumption: The s feature quick charging. You need to charge for 2 hours to support 160-hour stand-by, convenient to use.Specification:Bluetooth-compatible version: V5.0.Frequency: 2.4~2.48GHz.nsmiion distance: up to 10m.Communication protocols: HFP, HSP, A2PDP, AVRCP.Frequency response: 2.4GHz.Microphone sensitivity: -45dB.Power: Built-in rechargeable lithium ion battery.Charging voltage: 5V.Charging time: 2 hours.Earphone battery capacity: 150mAh.Talk time: 6 hours.Play time: 6 hours.Standby time: 160 hours.Color: Black, Red, Silver.Note:There might be a few color distortions due to different computer resolutions.There might be a slight error due to different hand measurements.Package included:1 Piece Wirele Earphone.2 Pieces Ear-hooks.1 Piece USB Cable.1 Piece User Manual.