Is wireless:Yes Wireless Type:wifi Support Memory Card:No Vocalism Principle:Other Volume Control:Yes Control Button:Yes Private Mold:NO Battery Indicator:LED Model Number:Y1 Style:TWS (True Wireless Stereo) Communication:Wireless Use:Portable Media Player, Phone, Mobile Aviation, COMPUTER, Dj, Gaming, Sports, Audiophile, Travel, Versatile, HEARING ATIAL, For Internet Bar, For iPod, HiFi Headphone, Earphone Function:Waterproof, Noise Cancelling, LED Display Place of Origin:China Cord Length:Wireless headphones Waterproof Standard:IPX-7 Active Noise-Cancellation:Yes Wireless delay time:less than 30 ms Game atmosphere light:no light Product name:Wireless Earbuds Music time:4~6hours Type:In-ear Wireless BT Earbud Color:Black Feature:HiFi Sound Working time:6-8 Hours