Features: 100% brand new and high quality Knitted material, fashion and keep warm with answer the phone in winter Set-in MIC, available for cell phone to transmit the speaking phone to your audio devices directly so that the user can hand free answering phone up via the device. Set-in Li-ion chargeable battery, charge via USB Cable, long stand-by time. Specifications: Bluetooth Version: V3.0+EDR Frequency: 2.4026GHz-2.480GHz Transmission distance: 30ft or so Transmission distance of MIC: 3 ft Li-ion Battery:3.7V/120mA Charging time:2.5 HRS Standby time:60 Hrs Continuous working time: about 5Hrs Bluetooth name:Magic Hat Size:Fits for head circumference 56-62cm Speakers can be taken off so that you can wash the hat Quantity:1pc About bluetooth pairing: 1. Press "power" 5 seconds,While Red and Blue light slowly flashing in alternative 2. Try to seek the bluetooth name of "Magic Hat" for pairing,set-in the password of "0000" if it's the first to pair the device. 3. the blue LED slowly flashing seems pairing successful Note: Due to the difference between different monitors, the picture may not reflect the actual color of the item. Thank you!