Specifications: General Specification Brand AWEI Model Y200 Color Yellow, White, Red Audio Input AUX, TF Card, Bluetooth Apply To Mobile Phone, Tablet, All bluetooth devices Technical Parameters Input Powe Polymer rechargeable batteries 2500mAh 3.7V or extraposition DC 5V Output Power 4.5W x 2 Built-in Battery Capacity 55mAh Work Time 4-8h Charging Time 1.5-2h Channels 2.0 Bluetooth Version V3.0 Bluetooth Protocol A2DP/AVRCP Transmission Range 10m Package Included: 1× AWEI Y200 Speaker 1× USB charging cable 1× Audio Line 1× Manual. If there is a size or colour choice please email me with your choice or it will be sent at random.