China X2t Bluetooth Wireless Stereo Mini Headphone Earphone Bluetooth Headset, Find details and Price about China Bluetooth Headphone, Blue Tooth from X2t Bluetooth Wireless Stereo Mini Headphone Earphone Bluetooth Headset
Chipse | CSR from UK |
bt Version | 4.2 |
Frequency | 2.4GHz |
Wireless range | one for above 20m, and a set for above 10m |
Receive sensitivity | -90dBm |
Battery capacity | 65mAh for left and right one |
Work time | one for 5-6 hours, and a set for 2-3 hours |
Charging time | 1 hours |
Stand-by time | one for 120 hours, and a set for 60 hours |
microphone | superior HD microphone, provide clear and loud sound |