Color: Black, Green
Bluetooth Chip: QCC3003
Speaker Type: 1W Bone Conduction Speaker
Battery: 170mAh Polymer Battery
Microphone: Anti-Interference Microphone, -40dB
Use Time: 5.5 Hours (Standard Volume)
Standby Time: 20 Days
Effective Range: 15m/49.21ft
Bluetooth Version: EDR / (QCC3003) 5.0
Bluetooth Class(1/II): II
BQB Included(Y/N): No
Bluetooth Profile: a2dp/HFP, HSP, AVRCP, GAVDP, AVDTP
Receiving Sensitivity: 84¡À3dB
Impedance: 10 ¦¸¡À15% (At 800 Hz)
Frequency Range: 20Hz-20KHz
Charging: 2 Hours for USB Interface
TF Card: NO
System Language: English Prompt
Certification: KC, UN38.3, CE, ROHS, MSDS, FCC, SRRC
Packing Size: 166 X 120 X 52mm/6.54 X 4.72 X 2.05\"
Red Light Flashes Quickly: Low Battery Warning
Red Light Always On: Charging
Blue Light Always On: Fully Charged
Flashing Blue and Red Alternately: BT Pairing
Blue Light Double Slow Flashing: Mismatch, maybe the device is powered off, or the distance between them is more than 20m.
The Blue Light Flashes Slowly: Match/Dial/Play Audio
1. Long Press the Power button for 3 seconds in the off state, the red and blue indicator lights will flash alternately to indicate the pairing state.
2. Search for Bluetooth devices or other digital products on the mobile phone, and then select J31.
1. If the connection distance exceeds the effective distance of the BT headset (15 meters), the headset will disconnect from the device. Once again within the valid range, they will automatically connect again. But if the disconnection lasts for a long time, you need to connect manually.
2. If it is a connected device, the headset will automatically connect to the paired device after it is turned on.
1. Due to the different monitor and light effect, the actual color of the item might be slightly different from the color showed on the pictures. Thank you!
2. Please allow 1-3mm measuring deviation due to manual measurement.