Navly Sleep Headphones Bluetooth Sports Headband Headphones with Ultra-Thin HD Stereo Speakers,Perfect for Sports, Side Sleepers, Air Travel, Meditation and Relaxation

【Sleep Headphones and Sports Headband 2 in 1】 Sports Wireless Headband could listen to wonderful music, also give you a quiet or enchanting deep sleep environment. Without having to wear additional earphones, protect you from being disturbed by messy hair and sweat.As a sleep headphone, let you deep sleep anywhere. 【Advanced Wireless 5.0 Technology】 Wireless technology made a significant breakthrough in this generation of sleep headphones.Sports Headband pair with any Wireless-enabled smartphone or tablet devices quicker & easier. 45 feet wireless range, ultralow-power,built in 240mAh high capacity rechargeable battery. 【Comfortable Soft Elastic Headband】Built with 12.5mm stereo speaker magnets and microphone that deliver clear and high quality digital sound.Freedom of Elasticity music headbands, suitable for any head type. Head straps that do not move or fall off while you're sleeping or running. 【Perfect Fit Sports or Sleep】These sleep headphones are the perfect helper for sleeping and insomnia.They block out ambient noise without using earplugs that fall out.A unique and fun gift for for friends and family. Surprise them these super comfortable, breathable, lightweight headbands. 【Note】Both the brands (Navly and Lavince) are same. Navly and Lavince are both owned by our company. The recommended output voltage of the charger is DC5V,and the recommended output current is 100 mA to 500 mA.