Feature 15.2 Version Music Headband: Wireless connection to the mobile phone, you can listen to music on the mobile phone. You can enjoy music while exercising. Suitable for most wireless enabled devices. 2Removable And Washable:The headband made of nylon has the functions of sweat absorption, non slip, skin friendly and breathable, durable and elastic. Easy daily cleaning. 3Up To 8 Hour Of Playing Time With 2 Hour Charge: Sleep headphones built in 150mah powerfull rechargeable lithium battery, wireless music headband only needs to be charged for 12 hours, a single charge gives you a full 8 hours of listening. Enjoy your headphones the entire day, without missing a beat. 4Easy To Use: Bluetooth control panel makes it easy to answer calls, built in microphone to let you not miss any callings. Equipped with a volume manager, it is easy to adjust the volume and listen to music, more convenient to use. 5Sleep Headphones And Sports Headband 2 in 1: Bluetooth Headband allows you to listen to your music without having to wear additional headphones, and protect you from being disturbed by your mess hair and sweat. Suitable for gym, workout, jogging and other outdoor activities. Also helps with insomnia, relaxation, meditation, travel and more.Item Type: Sports Music HeadbandWeight: Approx. 80g / 2.8ozProduct Material: NylonBluetooth Version: V 5.2, EDRMIC Transmission Distance: <1MTransmission Distance: 20MBattery Type: Lithium BatteryBattery Capacity: 150mAH (Shipped With Built In Battery)Charging Time: 2 HoursSound Continuous Working Time: 8 Hours .wang-edit-text{ font-family:'Arial' !important; } .wang-edit-text table { border-top: 1px solid #000; border-left: 1px solid #000; } .wang-edit-text table td, .wang-edit-text table th { border-bottom: 1px solid #000; border-right: 1px solid #000; padding: 3px 5px; } .wang-edit-text table th { text-align: center; }Package List1 x Headband Headphones1 x Charging Cable1 x Instruction Manual