TWS I7S Wireless Bluetooth Headsets Earphone Earpods Stereo Hifi 5.0

Product details
I7s TWS Wireless Headphones Bluetooth 5.0 Earphones sports Earbuds Headset With Mic Charging box Headphones For all smartphones.
Features:
1. listen to the song correctly, support songs and call,
2. remind number, the last call back, all intelligent Chinese and English voice prompts, boot, pair, shut down the phone power will be low voice prompts;
3. Power capacity will show on your Iphone, you can always see the power situation, don't worry about the electricity, make your life without worry;
4. one to two jacks, can be connected to two mobile phones at the same time
5. Bluetooth headset connected to the phone after the power off, and then open the Bluetooth headset will connect back to the phone automatically, more convenient;
6. Intelligent compatibility: supports all Bluetooth mobile phone, tablet, notebook, sing it, QQ music, movies, etc., universal all mobile phone
Specification:
1. Driver: 15mm
2. impedance: 32 OHM
3. Bluetooth version: Bluetooth v5.0 EDR
4. Bluetooth use band: 2.4GHz
5. Power level: CLASS II
6. output power: 30mW
7. Bluetooth distance: 10 meters barrier
8. frequency response: 20-20000Hz
9. operating voltage: 3.0V-4.2V
10. Mic sensitivity: -42dB
11. With A2DP / AVRCP high quality stereo audio transmission and remote control protocol
12. Powerful noise de-noising circuit (active noise cancer)
13. Switch between Chinese and English (boot does not connect Bluetooth state, press the switch 2 times, hear the tone switch successfully)
14. Talk time is about 2-3 hours
15. Music time about 1.5-2 hours
16. Standby time is about 100 hours
Package Includes:
2 x i7s tws bluetooth earphones (left and right earphones)
1 x Charging box
1 x USB charging cable