Wireless Bluetooth Smart Cap

Features:
Warm and fashion design with Elastic knitted material.
4.1+EDR Bluetooth version, for Universal Models use.
Hands-free speaker answering, able to answer phonecalls.
Washable Hat, blueteeth module can be taken off.
Built-in chargeable battery, charge via USB cable, long lasting time.
Enjoy Music enjoy your life more convenient with hat design, keep away from coldness.
Perfect for traveling,relaxing, excising or just rocking out in your bedroom.
Built-in microphone, available for transmit the speaking phone to your audio devices directly.

Specification:
Material:acrylic fibres
Bluetooth version: 4.1+EDR
Size:30x21cm
Frequency range: 20-20KHZ
Sensitivity: 95DM
Impedance: 32 ohms
Operating range: 10M
Speaker size: 32mm
Charging time: 2H
Listen to the song, call duration: 3-6H
Battery: 160-180mA battery