Wireless Earphone F9 TWS Sports Headphones Stereo Bass Noise Cancelling Headset Earbud With Charging box
|
Material |
ABS |
|
Colour |
Black |
|
BT version |
V5.0 BT Earphones |
|
Support |
HFP 1.7, HSP 1.2, A2DP 1, AVRCP1.6, SPP 1.2 and PBAP 1.0 |
|
Charging Voltage |
DC 5V |
|
Microphone sensitivity |
-42Db |
|
Frequency response range |
20-20000Hz |
|
Sensitivity |
120dB+/-5dB |
|
Transmission Distance |
20m |
|
Charging box battery capacity |
2200mA |
|
Headphone battery capacity |
50mAh |
|
Accumulated battery life |
about 220 hours |
|
Charging Time |
About 1 hours |
|
Charge Time (for Charging Box) |
About 4.0 hours |
|
Battery type |
polymer lithium ion battery |