Wireless Bluetooth Headphones Cotton Travel Sleeping Music Mask Built-in Stereo Speakers Mic - Black.

Feature:
1. With ultra-low power wireless V5.0 technology, wireless sleep headphones are faster and easier to pair with any Bluetooth-enabled smartphone or tablet device.
2. Built-in 200mAh rechargeable lithium battery, 2 hours of charging time can provide up to 10 hours of playing music, 48 hours of standby time.
3. Effective insomnia treatment, deep sleep, adjustable headband, blindfold, block light.
4. Advanced audio quality and hands-free calling, the sleeping mask features a 12.5mm stereo speaker magnet and microphone for clear and high-quality digital sound.
5. The eye mask is djustable, comfortable and washable, and the size of eye mask is adjustable from 27.55-32.23 inches. The adjustable length can accommodate different head sizes. It is hand-washable after removing the wireless headphones module. The mask is fully foldable for carrying while traveling.

Specification:
1. Material: Polyester cotton
2. Wireless protocol: V5.0
3. Wireless range: about 10 meters/33ft
4. Charging Time: 2H
5. Charging interface: Micro USB
6. Talk Time: 8-10H
7. Frequency range: 20HZ-20KHZ
8. Battery capacity: 200mA lithium battery
9. Charging voltage: 3.7V-4.2V
10. Charging current: 150-200mA
11. Wireless search name: BT-01
12. Speaker specifications: 30mm
13. Item weight: 100g
14. Package: no package

Package includes:
1 pcs x Sleep Eye Mask with Bluetooth Headphones
1 pcs x USB Charging Cable
1 pcs x User Manual