Communication:Wireless
Connectors:None
Wireless Type:Bluetooth
Vocalism Principle:Hybrid technology
Brand Name:SIFREE
Style:In-Ear
Control Button:Yes
Volume Control:Yes
Active Noise-Cancellation:Yes
Function:For Mobile Phone,Sport
Plug Type:Wireless
Sensitivity:103±3dB
Frequency Response Range:20-20000Hz
Line Length:0.3m
Resistance:32Ω
Waterproof:Yes
Model Number:M9
Support Apt-x:No
Support Memory Card:No
Support APP:No
Is wireless:Yes
With Microphone:Yes
Bluetooth chip and Bluetooth version:CSR 4.1
Battery:3.7V 60mAh
Charging power:5V / 80mAh
Bluetooth protocol::A2DP AVRCP HFP HSP
Transmission distance:Accessible 10m
Frequency:2.4GHz
Standby time:about 160 hours
