Continuous working time: about 3.5Hr
<br />Transmission distance of MIC: Less than 1M
<br />Charging time:2 Hrs
<br />Transmission distance: 10M or so
<br />Frequency: 20-20KHz
<br />Package includes:1 x Bluetooth Music Headband,1 x USB Charging cable
<br />Size: 19.5*6.5cm
<br />Li-ion Battery:3.7V/100mA
<br />Colors: Dark gray, Black, Light gray
<br />Standby time:60 Hrs or so
<br />100% Brand New and High Quality
<br />1.Set-in MIC, available for cell phone to transmit the speaking phone to your audio devices diretly so that the user can hand free answering phone up via the device.
<br />2.Set-in Li-ion chargeable battery, charge via USB Cable; With Built-in Removable headphones which can be pulled out from the hat if you would like to wash the hat!<p> <b><b><img src="https://contestimg.wish.com/api/webimage/5859ecefb83e7c4f9b6e4402-large.jpg"><img src="https://contestimg.wish.com/api/webimage/5859ecefb83e7c4f9b6e4402-1-large.jpg"><img src="https://contestimg.wish.com/api/webimage/5859ecefb83e7c4f9b6e4402-2-large.jpg"><img src="https://contestimg.wish.com/api/webimage/5859ecefb83e7c4f9b6e4402-3-large.jpg"><img src="https://contestimg.wish.com/api/webimage/5859ecefb83e7c4f9b6e4402-4-large.jpg"><img src="https://contestimg.wish.com/api/webimage/5859ecefb83e7c4f9b6e4402-5-large.jpg" noproxy><img src="https://contestimg.wish.com/api/webimage/5859ecefb83e7c4f9b6e4402-6-large.jpg" noproxy><img src="https://contestimg.wish.com/api/webimage/5859ecefb83e7c4f9b6e4402-7-large.jpg" noproxy><img src="https://contestimg.wish.com/api/webimage/5859ecefb83e7c4f9b6e4402-8-large.jpg" noproxy><img src="https://contestimg.wish.com/api/webimage/5859ecefb83e7c4f9b6e4402-11-large.jpg" noproxy><img src="https://contestimg.wish.com/api/webimage/5859ecefb83e7c4f9b6e4402-12-large.jpg></b></b></p>