Bộ tai nghe không dây bluetooth 7S TWS kèm hộp sạc

i7s TWS Mini Wireless Bluetooth Earphone Stereo Earbud Headset Headphone with Charging Box for Android IOS Phone
Function:
1. Starting prompt: POWER ON.
2. Shutdown hints: power off.
3. Pairing status hints: paring.
4. Connection prompt: you device is connect.
5. Disconnect the connection prompt: you device is disconnect.
6. Low power prompt: battery low.
7. Key function: long press to turn on, long press again to turn off, click music pause/ play / call answer / hang up, double click the next song.

Specification:
Bluetooth version: version 4.2
Transmission distance: outdoor straight line distance is 10 meters
Battery capacity: polymer lithium battery: 55mAh
Charge box battery capacity: 400mAh
Listen to music time: 2.5 hours on and down / pause
Call time: 2 hours
Standby time: 130 hours
Charge time: 1-2 hours
Working current: 22mA
Standby current: 4uA
Bluetooth level: class2 and class3
Frequency Band: 2.4 - 2.485GHz
Modulation process: GFSK
Maximum emission power: +2DBm
Color: White, Black

Operation Manual:
1. Pairing: long press to turn on and the blue light flash, which is an ordinary pairing mode. After switching the machine, it does not loose and continues to flicker fast in three seconds to blue light. At this time, the prompting sound is paring, and then into the double ears pairing state; double ears pairing after success, the blue light is slow flashing.
2. Charging instructions: headset charging indicator: headset charging red light on, battery full charged red light out.
3. Charging box charging indicator: When charging to the headset, the green LED lights on the charging box flicker, the headphones are full, and the green LED lights go out.
4. When charging the charging box, the green LED lights on the charging box are flickering, the charging box is full, and the green LED lamp is long and bright.

Note:
Please allow slight size differs due to manual measurement.
Due to the different display and different light, the picture may not show the actual color of the item. Thanks for your understand.

Included:
2 x Bluetooth Earphones
1 x Charging Box
1 x Charging Cable
1 x User Manual

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