UNBEATABLE SOUND QUALITY: WIRELESS BLUETOOTH 4.0 TECHNOLOGY WITH SUPERB SOUND QUALITY, FM RADIO, USB PLAYING, BUILT IN MICROPHONE, HANDSFREE CALLING, TF AUDIO PLAYING 3W SPEAKER AND EXPANDED BASS (BASS EXPANSION SYSTEM) DELIVERING THE EXTRA DOSE TO YOUR MUSIC.ALL IN ONE SPEAKER: SPLASH PROOF, RECHARGABLE BATTERY, ROBUST DESIGN, LIGHT WEIGHT, DISTORTION FREE SOUND AND EFFORTLESS CONNECTIVITY.LONG LASTING PLAYTIME : BUILT IN 400 MAH BATTERY TO COMPLEMENT YOUR LIFESTYLE WITH ULTRA LONG PLAYBACK TIME WITH A POWERFUL BATTERY THAT MAKES FOR ENDLESS PLAYING OF YOUR FAVORITE TUNES.INPUT :- TF CARD, USB, BLUETOOTH CONNECTIVITYCOMPATIBILITY: COMPATIBLE WITH ALL ANDROID AND IOS DEVICES, CARRY THEM IN YOUR BACKPACK AND HAND BAGS WITH EASE. DYNAMIC STEREO EXPERIENCE AMAZING SOUND ANYWHERE AND ANYTIME