Letscom Earphones & Power Bank Wireless Charging Sports Waterproof Headphone 2600mah Charging Box

Is Wireless:yes vocalism Principle:dynamic volume Control:yes control Button:yes brand Name:letscom model Number:letscom T22 style:iN-Ear communication:wireless use:portable Media Player, Mobile Phone, Gaming, Sports, Audiophile, Travel, Professional, Hearing Aid, for Internet Bar, For Ipod, Hifi Headphone function:microphone place Of Origin:guangdong, China cord Length:wireless Headphones waterproof Standard:ipX-5 active NoisE-Cancellation:no product Name:letscom T22 Earbuds battery Capacity:3.7v/2600mah headphone Capacity:43mah driver Diameter:8mm headphones Battery:2600mah frequency Response:20hZ-20khz bt Version:5.0 color:black/white item Name:letscom T22 Gaming Headset feature:letscom T22 Wireless Earphone