Product parameters:
Type Model: HBQ i8s /i7s
Impedance: 32 OHM
Bluetooth version: Bluetooth v4.2 + EDR
Bluetooth frequency band: 2.4GHz
Power level: CLASS II
Output power: 30mW
Bluetooth distance: 10 meters
Frequency response: 20-20000Hz
Operating voltage range: 3.0V-4.2V
Mitou sensitivity: -42dB
With A2DP / AVRCP high quality stereo audio transmission and remote control protocol
Powerful noise de-noising circuit (active noise reduction)
Switch between Chinese and English
Charging time about 1 hour (power indicator charging: red light, full power: red light off (blue light).)
Product Size: Length 25MM. Width 15MM. Height 35mm
Product weight: 48g
Talk/Music time: 4-6 hours
Standby time: 120 hours
Charging time: 60 minutes
Battery capacity 75MAH
Box battery capacity: 950mAh
Product Color: Black, White
Charging power: DC5V power supply [round hole interface] (computer USB port, mobile phone charger, car charger)
Package Included:
Headset + Charging Line + Manual +charging Box 
