Features:

• It adopts acrylic fiber fabric with better heat retention than wool, soft and comfortable, 26 production processes, fine knitting jacquard technology, no fading, no ball.Winter knitted hat with double-layer design, thick knitted fabric outside and soft lining to protect your head and ears from the cold
• Bluetooth V5.0 music call stereo, effective range is far, the volume can be added or subtracted at will.
• USB cyclic charging, long lasting.The Bluetooth module can be removed separately
• This winter hat is simple in style and goes very well with it. You can also enjoy music, hands-free calling and other Bluetooth headset functions. It is perfect as a birthday gift Christmas gift for men women boys girls
• For Men and Women: Classic black knitted cap, simple but not lose fashion, suitable for men or women winter fashion daily wear, can also be used as a ski cap
• Connection method: Bluetooth search "BT-01" to connect the Bluetooth cap, and the phone will also display the battery level of the Bluetooth cap.

Package includes:

• 1 X Bluetooth music cap