Smart Sleep Bluetooth Eye Mask 3D Music Eye-protection Eye Mask, Specification: YR-04E (No Waterproof Bag)

Features:
1. Adopting 3D stereo shading design, it is more comfortable to wear and conforms to various face shapes
2. Made of soft, comfortable and environmentally friendly materials, breathable and not stuffy
3. The earphones are built into the eye mask, which is detachable for easy cleaning of the eye mask
4. USB exposed charging cable design, convenient for charging

Product specifications:
1. Material: flannel, sponge, polyester
2. Transmission distance: 10 meters
3. Bluetooth playback time: 10 hours
4. Charging time: 2 hours
5. Standby time: 48 hours
6. Built-in battery: 200 mAh lithium battery
7. Unfolded size: 42 x 15 x 2.7 cm
8. Product weight: 200 grams