Nancy Stereo Bluetooth 3.0 Wireless Musical Headset Beanie for Music Streaming & Hands-Free Calling w/ 3.8hrs Music Playback, 8Hrs Talk Time, 60Hrs Standby Time Feature - musical headset beanie is thick, soft, and large enough to wear over ears and provides maximum comfort and mobility - ONE SIZE fits most. Stretchable Material for comfortability and maximum fitness - Features adjustable headset placement with velcro tape to fit almost head shape - No-hassle removal design provides convenience for beanie washing - Simple buttons interface for easy control calls and playing musics - Built-in mic w/ crystal clear sound technology for hands-free calling - Built-in easy-access MicroUSB charging port. - Supports Bluetooth A2DP, AVRCP, and HS/HF profiles. Pairs with all A2DP-enabled devices including smartphones, tablets, laptops, PC, digital media players, etc... - Effective range up to 10m (33ft) w/ free line of sight - Long lasting battery performance with Up to 3.8 hours of music play time and 60 hours of standby time - Comes with 100% worry-free and risk-free manufacture for purchases made from authorized sellers Specification - Bluetooth Specification v3.0+EDR - Supports Bluetooth Headset and Hands-free - Rechargeable 3.7V/100mA Li-Polymer Battery - Micro USB Plug charging Port - Nominal charging time: About 2 hour - Talk time: Up to 3.8 hours - Standby time: Up to 60 hours Compatible With: iPhone6s 6sPlus/ 6 6Plus/ 5S/ 5C/ 5/ 4S/ 4/ 3GS/ 3G iPad 5th, 4th, 3rd, 2nd, 1st, iPad Mini / Mini2 iPod Touch 4th/ 5th/ Nano 7/ipod shuffle Samsung Galaxy s7s7edge S6 S5 S4 S3 S2, Note 5/ Note 4/ Note 3/ Note 2, Tab Series HTC One M7 M8 M9 Desire X Series S V Sony Xperia Z1 Z2 Z3. LG Pro 2 Series Or all other Bluetooth-enabled devices