Description:  1.V5.0+EDR Wireless version, available for most of devices with Bluetooth function.   2.Knitted material, fashion and keep warm with answer the phone in winter.   3.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.   4.Set-in Li-ion chargeable battery, charge via USB Cable, long stand-by time.   5.Support display receiver battery on iPhone.   Specifications: 1.Wireless Version: V5.0+EDR  2.Size: one size fits most  3.Frequency: 2.4026GHz-2.480GHz  4.Transmission distance: 10M or so  5.Transmission distance of MIC: ≤1 M  6.Li-ion Battery :3.7V/180ma 7.Charging Time: 2.5hours  8.Standing-by time:60-180 Hrs or so 9.Continuous working time: about 6 hours  10.BT name: BT-HAT5.0  Package includes: 1 x Wireless Music Beanie Hat with Bluetooth Headphone 1 x USB Charging Cable 1 x Instruction Manual  If any questions in your order, please don't hesitate to contact us to serve you and earn your 100% satisfaction  
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