Impedance: 32 OHM3.
Bluetooth version: Bluetooth v4.1+EDR4.
Bluetooth usage frequency: 2.4GHz5.
Power level: CLASS II6.
Output power: 30mW7.
Bluetooth distance: 10 meters free of obstacles.
Frequency response: 20-20000hz9.
Operating voltage range: 3.0 v-4.2 V10.
Microphone sensitivity: -42db11.
Equipped with A2DP/AVRCP high quality stereo audio transmission and remote control protocol
Powerful noise cancelling circuit (active noise reduction)
Charging time about 1 hour (power indicator charge: red light is light, full of electricity: red light goes out (blue light)
Product size: 25MM in diameter. 15 mm wide. 35 mm high
The call time is about 4 to 5 hours
Music time is about 4 to 5 hours
Standby time of about 120 hours
The charging time is about 60 minutes
Battery capacity 50MAH
Charging power supply: DC5V power supply [round hole interface] (computer USB port, mobile phone charger, car charger)
Compatible mobile phones: compatible with android, apple, and symbian, 99% of the phones with bluetooth feature phones
1. Listen to the phone number two, support listening and answering calls,
2. The voice prompt of the cable number, the final return, the all-intelligent Chinese and English voice prompt, the boot, the match, the shutdown of the cell phone power, etc.
3. The battery power of the iphone shows that you can watch the power of the headset at any time without worrying about the power of the headset.
4. A tow connection can connect two mobile phones at the same time;
5. Every time the bluetooth headphone is turned off, the bluetooth headset will automatically connect to the phone when the headset is switched on.
6. Intelligent compatibility: support all mobile phones, tablets, laptops, songs, Q music, movies, etc.