Specifications: Subwoofer stereo sound, the effect is absolutely shocking. Portable and lightweight, you can take it with wherever you go. Support USB disk/TF card playback, support bluetooth-compatible connection. Built-in high capacity lithium-ion battery, very convenient to use. Item Name: bluetooth-compatible Speaker Material: ABS Bluetooth Version: 3.0 + EDR Bluetooth Distance: 20m Speaker: 45mm x 2 Power: 10W Battery Capacity: 1200mAh (Included) Voltage: 5V/1A TF Card: Support (Not Included) USB Disk: Support (Not Included) Features: bluetooth-compatible Connection, FM, Subwoofer, Wireless Size: 27.5cm x 6cm x 4.7cm/10.83" x 2.36" x 1.85" (Approx.) Notes: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement. Package Includes: 1 x bluetooth-compatible Speaker 1 x Audio Cable 1 x Data Cable bluetooth-compatible Connection, FM, Subwoofer, Wireless ABS bluetooth-compatible Speaker bluetooth-compatible Connection, FM, Subwoofer, Wireless bluetooth-compatible Speaker