i11 TWS Blue-tooth V5.0 Button control Wireless Earphones Stereo earbuds with charging box
 
Feature:
1. Listen to the song right, support songs and call,
2. Remind phone number, the last call back, all intelligent Chinese and English voice calls, boot, couple, shut down the phone power will be low voice calls;
3.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;
4. One to two connections, can be connected to two cell phones at the same time
5. Bluetooth headset connected to the phone after the shutdown, and then open the Bluetooth headset will connect back to the phone automatically, more convenient;
6. Intelligent compatibility: support all Bluetooth mobile phone, tablet, notebook, sing it, music, movies, etc., universal all mobile phone
 
 
Specification:
 
 
1. driver: 15mm
2. Impedance: 32 OHM
3. Bluetooth version: Bluetooth V5.0
4. Bluetooth use band: 2.4GHz
5. Power level: CLASS II
6. Output power: 30 mW
7. Bluetooth distance: 10 meters barrier
8. Frequency response: 20-20000Hz
9. Operating voltage range: 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 reduction)
13. Switch between Chinese and English (boot does not connect Bluetooth state, press the switch 2 times, the sound            will hear switch successful)
13. Talk time is about 4-5 hours
14. Music time about 2-3 hours
15. Standby time is over 100 hours