1. Material: plush 2. Operating range: 10 meters 3. Charging time: 1-2 hours 4. Standby time: 4-6 hours 5. Function: answer, end, call waiting, music switching, etc. 6. Applicable: can be used on mobile phones with Bluetooth function 7. Note: bluetooth earmuffs cannot be washed 8 Package includes: bluetooth ear cup X1, charging cable x1, instruction manual X1