Q20
1.Bluetooth version: V5.2+EDR
2. Support: HFP1.7, 1.2, A2DP1.3, AVRCP1.6, SPP1.2andPBAP1.2,BDR/BLE
3. Bluetooth operating frequency: 2.402GHz-2.480GHz
4. Receiving distance range: ≤10 meters
5. Audio signal to noise ratio S/N: ≥100dB
6. Battery Battery: Lithium battery -3.7V, 100mAh
7. MIC: Silicon wheat, -42dB ±3DB,
8. Talk/play time: about 8-10 hours (real usage time is depending on the type of song and volume requirements, 80% volume)
9. Charging time: 1-1.5 hours for earphone charging, 2 hours for charging base
Charging box battery capacity:
1: Battery capacity: charging stand 950 MA
2: Charging voltage: 5V/0.75A
3: Charging port: USB
4: Charge the headset :4-5 times
Next song/Volume "+" : Press the volume plus and hold the next song
Previous song/Volume - : Press the volume to decrease and hold the previous song
MFB multi-function key
Answer/hang up: Tap the MFB multifunction button on either headset once
Reject incoming calls: Quickly double click the MFB multifunction key on either headset twice
Activate Siri: In the waiting state, long press the MFB multifunction key of any headset for about 1 second, and hear a beep to wake Siri.
The left side of headset L is the host by default, and the right side of headset R is the auxiliary machine by default.

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