TWS M13 Wireless Bluetooth 5.3 Headphones, Long Standby Noise Reduction Hand free Earphones, MP3 Player, Hi-Fi Surround Stereo Earbuds, Support TF Card with Charging Box and LED Flashlight (RUB) (C-3805).

Product Name:
Wireless Bluetooth Headphone.

Special Features:
1. Power Bank. Can Charge Mobile Phone.
2. MP3 Player.
3. LED Flashlight.
4. Support TF Card
5. Long Standby.
6. Noise Reduction Hand free Earphones.

Product Specification:
1. Bluetooth specification:V5.3,
2. Bluetooth Profile:A2DP,AVRCP,HFP, HSP 
3. Working voltage:3.1V~4.2V,
4. Charging voltage:5V-1A,
5. Speaker specification：8mm*2,
6. Frequency response:20Hz~20kHz,
7. lmpedance:32Ω,
8. Battery capacity of the headset: 50MAH,
9. Battery capacity of the storage box:2000MAH,
10. Transmission distance:>10-20M 
11. Call Play time:About 4-6 h,
12. Charging time of headset:1.5h,
13. Charging time of the Charging box:2h,

Products include:
1 * One pair of Bluetooth headsets,
1 * Charging box,
1 * Charging cable,
4 * Ear cap,