• 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

Specification:

• 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

• Input voltage/current: 5V/≥500mA

• Power consumption: 30mw+30mw

• Charging interface: Type-C