Suroskie™ Portable Mini Bluetooth Speaker with Tf/Sd Card Slot, Mic(for Calling) and Fm Radio Support Compatible for Xiaomi Mi 5A Honor 7X Mobile Product Description Heavy010 Speaker Bluetooth synchronous broadcasting function Powerful and clear sound in unique design Compatible with Bluetooth phones, MP3/MP4/CD/PC/MAC/PSP,etc. This Wireless Bluetooth Portable Speaker is expertly designed to be portable, fashionable and precisely engineered by sound professionals to deliver a ior sound, with maximum sound but minimum size. With the built-in Li-ion battery there will be no worries for buying and replacing batteries. Just keep it charged and it will work all day long. Technical Battery Capacity: 500mAh Talk hands-free with mobile phone,answer call easily. Built-in Li-ion battery, enjoy wireless music anywhere, anytime. 3.5mm audio cable for directly plug into iPod,iPad, MP3,computer etc. With TF card slot, can play Mp3 format files in the TF card.