PRODUCT DETAILS: Wireless Bluetooth Smart Cap Headphone Headset Speaker Mic Warm Beanie Hat Product Description  Description: 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:1pcs About bluetooth pairing:  1. Press
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