Overview Bluetooth Headset Smartphone Ear Protection Earmuffs for HTC feature a cotton-blend fabric to offer a stylish, warm solution in the winter. The built-in MIC allows you to connect the headset to your device for easy speakerphone use. With a 3.7V/120mA lithium-ion battery, the earmuffs can be charged via USB with a 2.5 hour charge time and 60-hour standby time. Enjoy up to 4 hours of continuous use with Bluetooth version 3.0+EDR, a frequency of 2.40-2.48GHz, and a transmission distance of 30ft or less.
