Activate your musical senses on the go with this Bluetooth stereo headset that is both noise cancelling and noise isolating. Use the Built-in microphone for hands,free calling; your music will resume after you accept or reject your incoming call. The Recoil Headphone is compatible with Bluetooth,enabled and NFC,enabled smartphones, tablets, PCs, and MP3 players and has a wireless range of 33 feet. After using up the 7 hour talk/music time, recharge the Built-in lithium battery inside your headphones with a USB charging cable within a couple of hours. The extremely light (0.8 oz) Recoil Headphone is comfortably designed with a tangle,free elastic cable that remains in place behind your head and then recoils back into place after use. Device Compatibility iPhone6 Plus, 6, 5S, 5, 5C and older models iPodtouch, iPodnano iPadAir 2, iPadAir, iPadmini 3, iPadmini 2, iPadmini and older models Samsung Galaxy S6, S6 Edge, S5, Note 4, Galaxy Core Prime, Galaxy Note Edge and older models Motorola DROID TURBO, DROID MAXX, Moto X 2nd Gen. Sony Xperia Z3v, LG G3, Lucid 3, Google Nexus 6 Android tablets What's in the Box SoundLogic XT Recoil Bluetooth/NFC Sports In,Ear Headphone User Manual Carrying Pouch USB Charging Cable Two Additional Sizes of Clear Soft Silicone Earbuds Technical Specifications Frequency Response: 2.402,2.48GHz Speaker Impedance (Ohms): 32? Driver Size: ?12.5 Sensitivity (SPL) at 1.0KHz (xx dB): 90dB4dB Rated Input Power (mW): 2.5mW * 2 Maximum Input Power (mW): 5mW * 2 Noise Cancelation? Yes Noise Isolation? Yes In,line Volume Control? Yes Bluetooth Version: V4.1 + EDR Rechargeable lithium,ion battery that lasts about 7 hours depending on usage Lithium Battery Energy Content (in Watt,Hours): 120mAh The SoundLogic XT RECOIL Bluetooth/NFC Sports In,Ear Headphones will be available late May/early June.