Bluetooth Music Hat With Mic

We are offering bluetooth music hat with mic. Key specificationsspecial features features: bluetooth music beanie headphones 100% polyester hat diy earphones design handsfree function and enjoy music technical data: bluetooth: 3.0 + edr transmission distance: about 10 meters frequency range: 2.4026-2.480ghz sn ratio: speaker: ?110 ¡ó3db mic: 42 ¡ó3db speaker driver: o30mm, 4£[0.5w mic: ?2.2k£[ power: 0.5w x 2 charging time: 2-3 hours play time: about 3.5 hours (maximum volume)