GOgroove BlueSYNC EDG Wireless Bluetooth Speaker w/Rechargeable Battery Blue LED Glow Lights Universal design works with the latest phones like the Samsung Galaxy S6 , Apple iPhone 6 Plus , HTC One M9 and also tablets, MP3 players, laptops, handheld gaming consoles, and other devices Delivers powerful, portable sound with advanced SonusMax design; Utilizes Bluetooth v2.1+EDR with A2DP for audio transmission up to 33 feet! Stylish, cutting "EDG" design complete with blue LED accents lets you listen to your music in style Rechargeable Lithium-ion (Li-Ion) battery provides 8-10 hours of continuous audio playback per charge Tech Specs - Speaker output power: 3W RMS / Impedance: 4 Ohms / Frequency Response: 100Hz-20KHz