Is wireless:Yes Wireless Type:Other Support Memory Card:No Vocalism Principle:Dynamic Volume Control:Yes Control Button:Yes Codecs:AAC Private Mold:Yes Brand Name:OEM Model Number:H15 Style:Headband, more→Bone-conduction Communication:Wireless Use:Portable Media Player, Mobile Phone, Gaming, Sports, Travel, Sport, Portable Media Player, Phone, Aviation, COMPUTER, Dj Function:Waterproof, Noise Cancelling, Microphone Place of Origin:Guangdong, China Cord Length:0 Waterproof Standard:IPX-7 Active Noise-Cancellation:No Charging box battery capacity:300mah