Bluetooth speaker with built-in FM radio. Compact speaker sizes allow you to take it with you anywhere. Equipping the loudspeaker with an additional USB type A port and a MicroSD / TF memory card slot allows you to extend the speaker functionality by playing music from external sources. Using the Bluetooth protocol enables fast and convenient connection of a music player (eg a smartphone). You can also listen to music from the built-in FM radio with full frequency range! The device has the ability to receive phone calls, also allowing easy change modes and all multimedia function keys!   TECHNICAL DATA: Built-in FM Radio Bluetooth profiles: A2DP, AVRCP, HFP, HSP Bluetooth version: 4.1 Built in USB port and TFT (microSD) card slot for MP3/MP4 playing Operating distance: up to 10m Bulit-in rechargeable battery Li-poly: 800mAh Frequency response: 280Hz-16kHz Power output: 2x3W Charging voltage: 5V Dimensions: 200x65x40mm Weight: 330g