High-definition Sound Enjoy an impressively HD sound quality and strong bass through a 3W audio driver. Perfect for home, dorm room, kitchen, bathroom,car, parties, travel, sports, ect. Built-in microphone for hands-free calling. Long Playtime Bulit-in 1000 mAh durable battery, enjoy 8 hours of music at 80% volume, up to three times longer than similar-sized portable speakers. Recharge in only 2 hours using the included Micro USB cable. Universal Compatibility Support Bluetooth, AUX audio in, TF card slot. So you can pair smartphones, tablets, laptops and more via Bluetooth (up to 10meters / 33 feet) or connect non-Bluetooth devices such as MP3 players with the included AUX cable, and also you can play your music from the TF card. Touch Control Cool blue light touch panel is much easier than traditional physical button, it lets you play your music smoothly and effortlessly. Ultra Portability Mini pocket size (85mm x 30mm), it will fit easily into your jacket pocket or the small side pocket of your backpack. Enjoy the coolest music device anywhere!