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Description
Product specifications:
1. Bluetooth version: V5.0+BR+EDR+BLE.
2. Modulation method: GFSK/ DQPSK, Max Power.
3. Crystal frequency: 24MHZ.
4. CPU frequency: 96MHZ.
5. Working voltage: DC 2.2V-5.5V.
6. Signal to noise ratio: greater than or equal to 92dB.
7. Effective distance: 10m barrier-free.
8. Frequency response range: 20HZ-20KHz.
9. Frequency range: 2402MHz-2480MHz.
10. Sensitivity: 98dB.
11. Nominal impedance: 32 ohms.
12. Transmission power: Class 2.
13. Headphone battery capacity: 50mAh.
14. Charging input: 5V / 500mA.
15. Charging time: about 1 hour.
16. Hours of use: 4-7 hours of talk, 3-4 hours of music playback.
17. Standby time: 10-15 days.
18. Single headphone body weight: about 3.5g.
19. Single earphone body size: 1.1x2.5x2.2cm.
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1. Bluetooth version: V5.0+BR+EDR+BLE.
2. Modulation method: GFSK/ DQPSK, Max Power.
3. Crystal frequency: 24MHZ.
4. CPU frequency: 96MHZ.
5. Working voltage: DC 2.2V-5.5V.
6. Signal to noise ratio: greater than or equal to 92dB.
7. Effective distance: 10m barrier-free.
8. Frequency response range: 20HZ-20KHz.
9. Frequency range: 2402MHz-2480MHz.
10. Sensitivity: 98dB.
11. Nominal impedance: 32 ohms.
12. Transmission power: Class 2.
13. Headphone battery capacity: 50mAh.
14. Charging input: 5V / 500mA.
15. Charging time: about 1 hour.
16. Hours of use: 4-7 hours of talk, 3-4 hours of music playback.
17. Standby time: 10-15 days.
18. Single headphone body weight: about 3.5g.
19. Single earphone body size: 1.1x2.5x2.2cm.
![](http://sunsky.img-cn-shenzhen.aliyuncs.com/IPXS7781W.jpg@600w.jpg)
![](http://sunsky.img-cn-shenzhen.aliyuncs.com/IPXS7781W_1.jpg@600w.jpg)
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![](http://sunsky.img-cn-shenzhen.aliyuncs.com/IPXS7781W_4.jpg@600w.jpg)
![](http://sunsky.img-cn-shenzhen.aliyuncs.com/IPXS7781W_5.jpg@600w.jpg)
![](http://sunsky.img-cn-shenzhen.aliyuncs.com/IPXS7781W_6.jpg@600w.jpg)
![](http://sunsky.img-cn-shenzhen.aliyuncs.com/IPXS7781W_7.jpg@600w.jpg)
![](http://sunsky.img-cn-shenzhen.aliyuncs.com/IPXS7781W_8.jpg@600w.jpg)