TWS Bluetooth wireless headphone 5 0 sports reduction Hifi stereo headset music touch earphones with microphone(pro-9)

Features:
1. listening to the song correct, support songs and call,
2. Power capacity will show on your Iphone, you can see the power
situation anytime, do not worry about the electricity ,make your life
without worry;
3. Bluetooth headset connected to the phone after the shutdown ,
and then open the Bluetooth headset will connect back to the
phone automatically , more convenient;
4. Intelligent compatibility: support all Bluetooth mobile phone,
tablet, notebook, singing it, QQ music, movies, etc., universal all
mobile phone

Specification:
1. Bluetooth version: Bluetooth v5.0 + EDR
2. Bluetooth use band: 2.4GHz
3. Output power: 30mW
4. Bluetooth distance: 10-15 meters barrier
5. Frequency response: 20-20000Hz
6. Operating voltage range: 3.0V-4.2V
7. Mic sensitivity: -42dB
8. With A2DP / AVRCP high quality stereo audio transmission and
remote control protocol
9. Powerful noise de-noising circuit (active noise reduction)
10. Talk time is about 2-3 hours
11. music time about 2-2.5 hours
12. Standby time is about 120 hours