YZ Binaural Call Music Bluetooth Cap Winter Warm Wireless Headset Cap

Basic parameters:1. Material: Acrylic + Wool2. Channel: stereo3. Weight: 130G4. Function: battery display, call function, support music5. Suitable season: winter6. Suitable size for head circumference: 56-58CM7. Accessories: USB data cable + manual8. How to use: head-mountedBluetooth features: (only suitable for Bluetooth hats and headbands, gloves, snoods)1. Bluetooth protocol 5.02. Support Bluetooth call, Bluetooth music3. Low power consumption and high quality stereo sound4. Built-in lithium ion battery, MICRO USB charging function5. LED light working status display6. A wide range of users and simple operation settingsBluetooth parameters:1. Wireless transmission distance: 10M2. Battery capacity: 180MAH3. Frequency range: 20-20KHZ4. Sensitivity: 95DB5. Impedance: 32 ohms6.Speaker size: 32MM7. Charging time: 2H8. Voice continuous talk time: 4-6H9. Bluetooth music playback time: 3-6H (at 70% volume state)Specification: Package Weight One Package Weight 0.20kgs / 0.45lb