Bluetooth Version: 4.2
Charging: Power Adapter (DC 5V output 150 mah)
Support Protocol: Headset/Handsfree/A2DP/AVRCP
Standby Time: 10 days
Battery Capacity: 220mah
Wireless Range: 33ft (10m)
Charge Time: 2 hours
Speaker Type: Bone Conduction Technology Speaker, 1W Dual Speaker
Mic: Dual Anti-Interference Microphones, -40DB
Receiving Sensitivity: 88dBm
Frequency Range: 20-20KHz
System Language: English
Blue lights flashing: matching in progress...
Blue light flashing rapidly and flash slowly after matched
1.Put Bluetooth headphone switch at "ON"
2. Search Bluetooth device on your phone or other digital products, then choose it.
If it is 1st time to match, it will automatically enter the match mode once the BT headphone turning on. The LED lights will alternate flash between blue and red.
If it was connected with last device, it will automatically match in 10 seconds with blue light on. If it matches other device or re-match, press "play" button for 3 seconds, the Bluetooth headphone will enter manually matching mode with blue and red light flash alternatively.