• 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