--Item Type: Wireless Bluetooth Headset --Function: call function, support music, multi-point connection, Bluetooth protocol: 5.2 --Channel; stereo, How to use; earplug style, Transmission range: 10 meters --Whether single or double ear; bilateral stereo, High quality earphones sound quality Advantages: --Deep, accurate bass response, extended frequency range, Let you feel disconnected from the outside world and enjoy your music world --A earphone design that fits the auricle of the human body for a firmer and more comfortable fit, One-touch, easy to operate --Good quality, foldable design and adjustable length hinges, very comfortable to wear and easy to carry. --The new Bluetooth 5.2 upgrade chip, more stable transmission, easier to connect, lower power, and more powerful performance --Low latency in game mode, smooth gaming without delay. --Combined with the revolutionary new 5.2 Bluetooth technology, it shows a better gaming experience, and the operation is not affected --The wireless bluetooth headset can not only listen to music and play games, but also can be used as a mobile phone stand --Best choice for listening music, watching movie, chatting online etc. --Allow you to answer or reject phone calls anytime and anywhere. --With just one touch of your finger, you can fully control the music, volume, call and voice assistant settings --Bluetooth + MP3 function support stereo music playing, phone calling... --Support all audio devices that have Bluetooth capability, such as, cell phone ,tablet PC, laptop, computer etc. --With SD card insert, without any bluetooth device, can still enjoy music any time any where. Specifications: --Bluetooth Version: 5.2 --Power Level: CLASS II --Connectivity Technology: wireless --Earphone type: Earbuds --Driver diameter: 10mm --Transmission Distance: 10m/33ft (360°) --Speaker Sensitivity: 115dB ± 3dB --Frequency range: 20Hz-20KHz --Speaker Impedance: 32Ω±15% --Mic sensitivity: -42±3dB --Microphone Direction: Unidirectional --Libattery Capacity: 800mAh --Talk Time: about 35-40 hours --Music Time: about 35-40 hours --Standby Time: about 180 hours --Charging Time: about 4 hours --Working Time: about 40 hours （at 70% Volume) Package Included: --1*Earphone --1*usb charging cable --1 manual