Details

 Note: This product does not have a retail package box !!!
Characteristics:
1. hear the song correct; support songs and call;
2. remember phone number; the last call back; all intelligent Chinese and English voice calls; boat; 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 at any time; no worry about the electricity; make your life worry free;
4. One to two connections; can be connected to two cell phones at the same time
5. bluetooth headset connected to the cellphone after shutdown; and then open the bluetooth headset will connect back to the phone automatically; more convenient;
6. Smart compatibility: support all bluetooth cellphone; tablet; notebook; sing it; QQ music; movies; etc.; universal all cellphone

  Specification:
1st driver: 15mm
2. impedance: 32 OHM
3.Bluetooth version: Bluetooth v5.0 + EDR
4. Use Bluetooth band: 2.4 GHz
5. Power level: CLASS II
6. Output power: 30 mW
7. Bluetooth distance: 10 meter 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 (boat does not connect Bluetooth state; press the switch 2 times; the sound hear switch successfully)
14. Talking time is about 2-3 hours
15. Music time over 1.5-2 hours
16. Standby time is over 100 hours

  Package contains:
2 x i7s tws bluetooth headphones (left and right earphones)
1 x charging box
1 x USB charging cable
1 x user manual