Control Button : Yes

Support Memory Card : No

Private Mold : Yes

Volume Control : Yes

Origin : Mainland China

Brand Name : OUIO

Battery Indicator : LED

Vocalism Principle : Dynamic

Certification : CE

Is wireless : Yes

Waterproof Standard : IPX-8

Use : Sports

Active Noise-Cancellation : Yes

Place of Origin : Hubei, China

Model Number : ys310s

Brand Name : YS

Wireless delay time : less than 30 ms

Function : Waterproof

Style : Bone-conduction

Communication : Wireless

Product name : Swimming teaching headphone

Charging mode : Magnetic

Package : 1pc headphone+1pcs walkie talkies

Application : Swimming Training

Logo : Accept Customized Logo

Working time : 6-7 Hours

Colors : Blue or customized

Charging time : 1-2 Hours

Type : Bone conduction

Waterproof : IPX8