- Medium size headband fits most with hat size 6-7/8 to 7-3/8 (21.5 - 23.375 inches)
- Fall asleep faster, naturally, without drugs
- Block out ambient noise without painful earplugs
- Flat headphone speakers are comfortable to wear even laying down or on your side
- Machine-washable headband is made from
- Medium size headband fits most with hat size 6-7/8 to 7-3/8 (21.5 - 23.375 inches)
- Fall asleep faster, naturally, without drugs
- Block out ambient noise without painful earplugs
- Flat headphone speakers are comfortable to wear even laying down or on your side
- Machine-washable headband is made from recycled materials
- Supports Bluetooth V3.0 EDR
- Lithium Battery 100 mAh charge via USB Charger
- Charging time: 2 hours
- Working time: 3.5 hours
- Standby time: 60 hours