Lightweight, portable Bluetooth speaker with RGB LED backlight. Designed to play music from all devices with Bluetooth function and MP3 files recorded on the TF (microSD) card. It has a built-in FM radio. Perfect for listening to music in the car, traveling and at home Built-in FM radio FM radio frequency: 87.5-108MHz Bluetooth profiles: A2DP, AVRCP, HFP, HSP Bluetooth version: 5.0 Bluetooth transmitter power: 3dBm Bluetooth transmitter frequency: 2.402-2.480 GHz Built-in TFT (microSD) card slot for MP3/MP4 playback AUX mini-jack input Maximum range: up to 10m Built-in Lithium Polymer Battery: 1200mAh Frequency response: 280Hz-16kHz Output power: 10W Charging voltage: 5V Charging time: 2.5-3.5h Music playing time: 4-5h MicroUSB charging cable (30 cm long) included