The latest version of the third generation: cover opening pop-up window + three real electricity display + intelligent touch + wireless charging + in ear detection + rename + positioning + noise reduction page 

Operating instructions: 

1. Touch twice: pause / play 
2. Touch the right ear three times: switch to the next song 
3. Touch the left ear three times: the last one. 
4. Answer a call: touch twice. 
5. Hang up: touch for two seconds. 

Product Parameters： 

1. Model Number: pro i3
2. Bluetooth version: 5.0 
3. Style: In-Ear
4. Sensitivity: 120±5dB
5. Resistance: 9Ω
6. Transmission distance: outdoor straight-line distance 10-20 meters 
7. Battery capacity: pure drill 30mah 
8. Battery capacity of charging box: 350mah 
9. Listening time: 3-4 hours 
10. Talk time: 4 hours 
11. Standby time: 120 hours 
12. Charging time: 50 minutes 
13. Working current: 8-10ma 
14. Standby current: 4ua 
15. Single bare weight: 47g 
16. Single set weight: 119g 
17. Support Memory Card: No
18. Active Noise-Cancellation: Yes
19. Plug Type: Line Type
20. Codecs: Apt-X HD

Package Included:

1. 1* headset
2. charging cable 
3. instruction 
4. charging bin 
5. neutral packaging color box