Ultra Mini Wireless Earphones

 Style: In-ear
Certification: NONE
Vocalism Principle: Dynamic
Origin: CN(Origin)
Control Button: Yes
Active Noise-Cancellation: No
Communication: wireless
Volume Control: No
Wireless Type: bluetooth
Is wireless: Yes
Support APP: No
Function: Common Headphone
Function: For Mobile Phone
Function: HiFi Headphone
Function: Sport
Connectors: None
Codecs: sbc
Support Memory Card: No
Waterproof: Yes
Frequency Response Range: -Hz
With Microphone: Yes
Sensitivity: 123dB
Model Number: SQRMINI-X20 Ultra small mini hidden bluetooth earbud
color: white,black,skin color
bluetooth version: V4.2
battery: earbud:55mAh,charge case:220mAh
Work time: about 3-4 hours
charge time: in 1hours
size of earbud: 17mm/3.7g,ultra small size