Bluetooth music hat winter warm knit music hat male and female wireless blue hat red / blue / black

Fabric;
Size; 22 * ??21cm
Transmission range; 10 meters
Function; support music, call function, power display
Bluetooth protocol; 4.1
Channel; stereo
How to use it;
Whether single binaural; bilateral stereo
Applicable gifts occasions, birthday, awards commemorative, wedding, advertising promotions, business gifts, anniversary celebration, public relations planning, trade fairs, festivals, staff benefits, move
Color Red / Black / Gray
Wireless Bluetooth music hat, high quality acrylic, comfortable and warm, good ventilation
HD sound quality, sports time can enjoy music, up to 10 meters range
Bluetooth cap has a free volume manager, according to the scene free to adjust the volume size, so you use more convenient
Applicable products; suitable for devices with Bluetooth function
Color; red, blue, black