Model: HBQ I7
Drive: 15mm
Impedance: 32 OHM
Bluetooth version: Bluetooth v4.1+EDR
Bluetooth frequency: 2.4GHz
Power level: CLASS II, output power: 30mW
Bluetooth Distance: obstacle free 10 meters
Frequency response: 20-20000Hz
Working voltage range: 3.0V-4.2V
Head sensitivity: -42dB
Have A2DP /AVRCP high quality stereo audio transmission and remote control protocol
Powerful noise canceling circuit (active noise reduction)
Switch between English and Chinese (boot is not connected to Bluetooth status, and press switch 2 times to hear prompt tone Switching successfully)
Product size: 25MM*15MM*35mm, products net weight of about 5g