Button
Features
Operation
Instructions
Middle
Power on
Hold for 3
seconds
When the device is off, press and hold for 3 seconds to
turn it on.
Power off
Hold for 3
seconds
When the device is on, press and hold for 3 seconds to
turn it off.
Pair
Hold for 3
seconds
Device turns on to pairing mode automatically if there is
no connected device
Play / Pause
Short press
When playing music, short press to pause, short press
again to play
End call
Short press
During a call, short press once to end the current call
Reject call
Hold for 2
seconds
When there is an incoming call, if you do not want to
answer the call, press and hold for 2 seconds to reject
the call.
Phone redial
Double click
In any mode, double-click to redial the last number you
dialed
Answer call
Short press
When there is an incoming call, short press to answer
the call
Volume Up
Short press
Short press to increase the volume. When at maximum
level, a beep is heard.
Skip to next song
Hold for 1 second
While music is playing, Hold for 1 second to skip to the
next track
Volume-
Volume down
Short press
Short press to decrease volume
Skip to previous song
Hold for 1 second
While music is playing, Hold for 1 second to jump to the
previous track
Multi-Person calls:
Middle
Answer an incoming
call and hang up the
current call
Short press
During a call, when there is an incoming call, short press
to connect to the new call and end the current call.
Answer third party calls
and keep the current
call
Double click
During a call, if you receive another call, double click to
connect to the third party and keep the current call on
hold
Switch between calls
Double click
While speaking to the second caller, double click to
connect to the original caller and keep the second caller
on hold.
Hang up the current
call and resume the
held call
Short press
While speaking to the second caller, press once to
connect to the original caller and end the other call.
Acoustic specifications
- Driver type: Neodymium Magnet Driver (Ø 9 mm)
- Speaker Impedance: 32
Ω
- Rated Output Power: 3 mW
- Max Output Power: 5 mW
- Sensitivity: 100
dB (@1kHz)
± 3
- L/R Channel imbalance: ≤3dB
- Frequency response: 20Hz ~ 20kHz
Microphone specifications
- Sensitivity: -42 ± 3dB
- Pick-up Pattern: Omnidirectional
- Output impedance: Max 2.2K
Ω
- Standard Operation Voltage: 2 V
- Current Consumption: <500 uA
- Signal-to-noise ratio: ≥60 dB
- Max Input sound pressure level: 100 dB
Electronic specifications
- Bluetooth chipset: QCC3034
- Bluetooth version: 5.0
- Supported Bluetooth profiles: A2DP HFP HSP
AVRCP
- Wireless range: ≥ 10 m
- Power input: 5 ± 0.25 V DC
- Battery Capacity: 80 mAh
- Operation voltage: 3.0 - 4.2 V
- Charge time: ≤ 2 h
- Continuous music play time: ≥6 h