1. Support phone / laptop / tablet virtual TF card (mini micro card) 2. ModularPartner Jack design: connect a row of mini speakers for amazing audio performance 3. Expand the bass system to drive a more complete and rich low-end response 4. Upgraded, larger 45mm driver provides superb sound highest point 5. Support TF card, built-in TF smart decoder, can listen to MP3 music stored in TF card 6. While using AUX, it is easy to listen to the computer, MP3 / MP4 sound 1. Amazing sound quality: The portable Bluetooth speaker has a super loud volume with a stylish design! Excellent sound quality, built-in 45mm 10W driver, can produce clear sound and strong bass without distortion even at maximum volume. 2, portable size: lightweight and compact. The portable size of the cord makes it easy to bring to parties, picnics, hikes, walks, camping, driving, fishing and anywhere else. No problem hanging on the belt. 3. Fashionable and portable design: Lightweight and durable ABS plastic case, perfect for home andice use. Built-in 520Mah rechargeable lithium-ion battery, providing up to 5 hours of working time, ideal for family, party, picnic, travel 4, TF card playback anytime, anywhere: support common mainstream music format playback, feel the charm of music anytime, anywhere. 5. Broad compatibility: compatible with your PC, Mac, laptop, desktop and other Bluetooth devices Android and IOS. Easy to pair with most Bluetooth-enabled devices, within 10 meters of your device, provides seamless connectivity and incredible wireless stable signals.