Upgrade Bluetooth 5.0: Automatically paired and connected after power on, Bluetooth 5.0 chip, stable transmission is up to 10 meters
Hands-free Calling & Built-in Mic: With noise reduction microphone technology and the fast stable Bluetooth 5.2 wireless transmission, you can make a clear wireless hand-free call easily
Universal Compatibility: For iPhone, for iPad, for iPod, Android and many other audio devices. High-quality sound, supreme durability, and maximum comfort
Long Battery Life: 15-20 hours of listening and talking time, 1000 hours of standby time
Headphone function keys: turn on/off/pause/play/receive calls/up and down music/volume up and down
Bluetooth version: 5.0
Transmission frequency: 2.4-2.48GHZ
Bluetooth range: up to 10 meters (available space Bluetooth mode A2DP, AVRCP, HSP, HFP
Frequency response: 20Hz-20KHZ
Audio resolution: 24bit@48kHz
Drive unit: Medium 57mmx2
Impedance total harmonic distortion: (THD) 0.3%-3% (THD)
Sound pressure level: (SPL) 8db
Headphone battery: 300mAh polymer battery
Standby time: about 1000 hours
Bluetooth music/talk time: about 15-20 hours
Charging time: about 2 hours when fully charged
Operating temperature range: 10 degrees Celsius to 50 degrees Celsius
