Cowin E7MD Wireless Bluetooth HeadphoneBrand Name: cowin Control Button: Yes Active Noise Cancellation: Yes Style: Headphone Wireless Type: Bluetooth Connectors: 3. 5mm Communication: Wireless+Wired Vocalism Principle: Dynamic Volume Control: Yes Frequency Response Range: 20 20000Hz Function: for Video Game Function: Common Headphone Function: For Mobile Phone Function: HiFi Headphone Function: Sport Sensitivity: 903dB Is wireless: Yes Plug Type: USB Codecs: NONE Support Memory Card: No

Controller Battery: 4*AA

Color: Black Gray / Black Red

4G wireless

Remote Distance: About 100 meters

Active Noise-Cancellation: Yes

Sensitivity: 108dB

Feature: Phone Function

Origin: Made in China

Brand Name: powergreen

Battery Detachable: No

Model Number: ACtion Free

Communication: Wireless+Wired