Bluetooth 5.0 Wireless Call Music Warm Knitted Hat (Blue)

1. Acrylic material, soft to the touch and good elasticity
2. With built-in microphone, you dona??t need to hold your phone and wear earplugs anytime and anywhere, you can listen to it whenever you want
3. High-definition sound quality, free volume adjustment, 80 hours standby time, 6 hours listening to music and talking, 2 hours USB charging
4. Battery capacity: 180mAh lithium battery
5. Bluetooth supports wireless connection of computers, mobile phones, tablets, and laptops, with an effective output range of 10 meters
6. Size: 22x21.5cm