Connectivity:  wireless
Connection port: USB
Sound principle: moving coil
Features: Bluetooth, support for music.
Headphone Plug Type: Wireless
Sensitivity:-38db
Frequency response range:20-24KHz
Length:none
impedance:32Ω
Whether waterproof: no
Support APT-X:no
Support for memory card reads: no
Supports app control: no
Bluetooth version:bluetooth 4.2
battery capacity:65mAh
Charger box:1500mAh,fast charging( can be charged into 100% in 1 hour)
Talk /music time:about 5 hours