The Naztech Hypnotic Wireless Speaker features wireless music streaming and an integrated microphone for crystal clear hands-free phone calls. This ultra-cool speaker caters to dynamic on-the-go-enthusiasts. Enjoy up to six hours of rich audio play time with a built-in rechargeable battery. Compact, sturdy, high-tech and modern: The Hypnotic Wireless Speaker delivers! It’s the go-anywhere speaker that fits in with your active lifestyle.