1.ADVANCED BLUETOOTH 4.2 TECHNOLOGY: The product has advanced bluetooth 4.2 technology which is compatible with 99% bluetooth devices. Instantly connect to your smartphone from up to 33 feet away. It also reconnects automatically to the last device used. 3.5mm audio port for non-Bluetooth devices2.SUPEIIOR SOUND QUALITY: The product has superior sound quality that you can enjoy your music in full-bodied stereo realized through dual high-performance drivers 3Wx2 and advanced bass enhancement technology3.BLUETOOTH SPEAKER: The product is bluetooth speaker ans you can enjoy a high definition stereo sound with a impressive volume whether you're lounging around the house,or partying, walking out, camping, hiking, biking with included waterproof travel pouch4.AUX EFFECTIVE SOUND INPUT: The product is AUX effective source input that support 3.5mm standard audio cable access, regardless of desktop computers, laptops, mobile phones, flat panel, TV, or MP3 / MP4 players, can be wired to play5.LONG PLAYTIME: This speaker is built-in Li-Ion 1500 mAh rechargeable battery guarantees up to 8 hours playtime. and recharge in just 2 hours with included micro USB cable