1. Product name:Wireless music sleep eye mask
2. Material: Cotton
3. Weight: 76g
4. Color: blue/black/brown/grey
5. Size: 44*13.5cm
6. Speaker: 32 ohms, 0.05W
7. Battery: 150 mA, 3.7V
8. Product features:
1) Long battery life, stereo audio
2) Soft and breathable material, adjustable in length, comfortable to wear
3) Support music playback and volume control