Civetman Wireless Bluetooth earphone invisible in Ear Bluetooth earbuds mini

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Function: For Mobile Phone,Sport,for Video Game,For iPod
Support APP: No
Line Length: None
Communication: Wireless
Support Apt-x: No
Waterproof: Yes
Support Memory Card: No
Connectors: None
Brand Name: Civetman
Is wireless: Yes
Style: In-Ear
Plug Type: Wireless
Sensitivity: 123dB
Frequency Response Range: 20-20000Hz
Volume Control: Yes
Active Noise-Cancellation: Yes
Model Number: M2
Vocalism Principle: Orthodynamic
Control Button: Yes
With Microphone: Yes
Resistance: 32Ω
Wireless Type: Bluetooth
Charging time: 1-2hours
call duration: About 3 hours
The music time: about 3 hours
Support agreement: A2DP AVRCP H-SP H-FP
Input charging standards: DC5V-500mA
Bluetooth operating frequency: 2.400GH-z-2.480GH-z
function: sport
Time to market: 2017
Ambient temperature: -20/+60 C
Transmission Range: 10m