• Made of knitted material, fashion grid pattern, it keeps you warm and comfortable in winter while enjoying your favorite music

• Bluetooth V3.0 version, available for most devices with Bluetooth function

• Set-in MIC, available for cell phone to transmit the speaking phone to the hat directly so that the user can make hands-free calling

• Human engineering design: intuitive control buttons and high density built-in rechargeable Li-ion battery

• Perfect for traveling, waiting for the bus, jogs in the cold or other outdoor sports, or just rocking out in your bedroom

• Notice: The speaker can be taken off so that you can wash the hat

Specifications:

• Bluetooth Version: V3.0 + EDR

• Frequency Range: 2.4026GHz-2.480GHz

• Working Distance: up to 10 meters

• Transmission Distance of MIC: ≤1M
  

• Li-ion Battery: 3.7V/100mA

• Charging Time: 3-8 hours

• Stand-by Time: 60-180 hours

• Continuous Working Time: about 3.5 hours

Compatible with:

• iPhone iPad Samsung Huawei Sony devices with Bluetooth 3.0 or above