Wireless Technology: Bluetooth 4.1
Function: For Mobile Phone,Sport
Sensitivity: 123dB
Resistance: 32
Connectors: USB
Active Noise-Cancellation: No
Control Button: Yes
Support Apt-x: No
Support APP: No
Frequency Response Range: 20-20000Hz
Support Memory Card: No
Condition: New
Waterproof: No
With Microphone: Yes
Volume Control: Yes
Style: In-Ear
Vocalism Principle: Dynamic
Communication: Wireless
Function:
Function 1: Portable Headset Wireless Headphones Handsfree Earphones
Function 2: Mini bluetooth earphone with microphone
Function 3: Bluetooth Headset Wireless Earphones Stereo Headphones
Function 4: Earphones with Microphone, Support Music, Noise Cancelling Headset
Function 5: Bluetooth earphone for iphone 6 7 8
Function 7: Mini bluetooth earphone for phone
Function 8: Stealth Bluetooth earphone
Function 9: Bluetooth earphone mini stereo
Function 10: Bluetooth earphones sport wireless
Package: 1 pc Bluetooth 4.1 Stereo Handsfree Earphone (with a hook, charging cable and instruction)
Note: Please allow errors of the color from different monitors and the measure by hands.