Bluetooth Controler: QCC3003

Speaker type: 1WBone conduction horn

battery: 170mA/h polymer battery

Mike: Anti-jamming microphone, -40db

service time: 5h(typical problem)

stand-by time: 20 daty

effective range: 15m

Mono/stereo: stereo

Bluetooth version: “EDR / (QCC3003) 5.0”

weight: 33g

Bluetooth Class(1/II): II

BQB included(Y/N): No

Bluetooth Profile: a2dp/HFP, HSP, AVRCP, GAVDP, AVDTP

receive sensitivity: 84±3dB

Impedance: “10Ω±15% (AT 800HZ)”

frequency range: “Fo 20KHZ”

FM: No

charge: Use the USB interface for 2 hours

TF card: No

system language: English hints

Red lights flash quickly: low power warning

Red light always on: charge

Blue light always on: full of electricity

Blue and red flicker alternately: BT pairs

Blue light double slow flash: mismatching, maybe the device is out of power, or the distance between the two is more than 20m

Answering a call: Click the multi-function button when the call is coming

End a call: Tap the multi-function button during a call

Reject a call: long press the multi-function button for one second

Call: none

Switch songs: Double-click the multi-function button twice and three times

Volume control: Click the volume button “+” “‐”

1: Long press the Power button for 3 seconds in the shutdown state, and the red and blue indicator lights will flash alternately to indicate the pairing state.

2: Search for Bluetooth devices or other digital devices on your phone and select J31

Attention:

1: If the connection distance exceeds the BT headset’s effective distance (15 meters), the ear will disconnect from the device. Again invalid range, they will automatically connect again. But if the disconnection lasts for a long time, you need to manually connect.

2: If it’s a connected device, the headset will automatically connect to the paired device when it’s turned on