Main features:1. Wireless chip: The headset adopts Bluetooth compatible v5.1 chip, low latency, sensitive stereo, giving you a good gaming experience.2. Noise reduction and anti-slip: The earphones can effectively reduce noise, and you don't need to worry about slipping or falling when wearing it.3. The headset can be used for a long time after it is fully charged, saving you the time of frequent charging.4. Waterproof: This earphone is waterproof for life, and you are not afraid of sweating when you wear it. Suitable for sports, running, gaming and more.5. LED display: The digital screen displays the power, which is convenient for you to know the power in time and makes your life easier.Specification:Bluetooth version: 5.1+EDRProtocol mode: A2DP, AVRCP, HSP, HFPEffective distance: 20m (without obstacles)Microphone: YesBinaural pairing method: automatic pairing when bootingHorn diameter: 8mmImpedance: 32Sensitivity: 42dbDistortion: 5%Battery capacity: earphone 55mah, charging compartment: 3500mah (actual battery 1200mah)Headphone music time: 4-5 hours (depending on the volume)Headphone talk time: 4-5 hours (depending on volume)Headphone charging time: 1 hourBattery compartment charging interface: TYPE-CUSB output: 5V 1AGross weight: 152gpacking list:2*Bluetooth headset1*battery compartment1*USB cable1*Manual