Wireless Version: V4.1 + EDR
Support Agreement: A2DP1.3/HFP1.6/HSP1.2/AVRCP1.6/D11.3
Impedance: 32 OHM
Output power: 30mW
Frequency response: 20-20000Hz
Talking Time: 3-4 hours
Charging time about 1 hour (power indicator charging: red light; full power: red light off ,blue light on)
Standby Time: 120 hours
Battery: 60mAh rechargeable Li battery
Operating voltage range: 3.0V-4.2V
Mitou sensitivity: -42dB
Product Size: Length 25MM* Width 15MM*High 35 MM
Charging power: DC5V power supply [round hole interface] (computer USB port, mobile phone charger, car charger)
Compatible phone: compatible with almost all the Android, Apple, Microsoft, Saipan system with Bluetooth mobile phone
1* Bluetooth Headphones
1*USB Charging Cable
Q: How to connect the device? A: First time connection, short press the power button until the led flash in blue and red alternately , then turn on your smartphone to search available device( HBQ-i7) , then you could listen to music and make calles.
Q: About charging and battery life?
A: Using the Nokia mini-charging interface, fully charged the battery in 80 minutes. When taking charge, the led would be in red, and turns in blue when fully charged.
Note: This product is a single side of the right ear headphones, not a bilateral headset, so this sales only one headset is not two headphones.