MR733 MediaRange Compact wireless speaker, mono audio system, black Specifications: Portable Bluetooth® speaker Built-in Lithium-ion battery, 400 mAh 2.5 ~ 3 hours music playback Speaker output: 1x 3W (Mono) Bluetooth® transmitting distance: ~ 10m Supports Micro SD®, Micro SDHC® and Micro SDXC® memory cards FM tuner function Built-in microphone for using the hands-free function with smartphones and tablets Music control navigation pannel with four buttons; On/Off switch Reflective LED light Compact aluminum housing Dimensions: approx. Ø 71 x 42 mm Weight: approx. 160g Incl. USB to Micro USB charging cable Color: black