China Newest I7s Tws 5.0 Bluetooth Earphone Earbuds with Pop up Window, Find details and Price about China Pop up Window Earphone, Bluetooth Headset from Newest I7s Tws 5.0 Bluetooth Earphone Earbuds with Pop up Window
new smart and protable i7s earphone tws 5.0 earbud with window
product name | i7s earphone tws 5.0 earbud with window |
model | i7s Bt Headset |
bt | v5.0 |
speaker | high quality copper ring speaker |
color | black and white |
play time | 3-4 hours |
standby time | 130 hours |
Headphone battery capacity | 35mah |
Charging box battery capacit | 300mah |
Effective distance | 15m |
Headphone weight | 35g |
Complete weight | 100g |
it work for all smart phone
more detail :
1. Power level: CLASS II
2. Output power: 30mW
3. Frequency response: 20-20000Hz
4. Operating voltage range: 3.0V-4.2V
5. Mic sensitivity: -42dB
6. With A2DP / AVRCP high quality stereo audio transmission and remote control protocol
7. Powerful noise de-noising circuit (active noise reduction)
8. switch between Chinese and English (boot does not connect Bluetooth state, press the switch 2 times, hear the tone switch successfully)