Features:  -BT5.0 wireless transmission, just insert the TF card, the recording is completed while playing in BT status.  -Built-in high fidelity 16-core magnetic spaker, medium high frequency and low frequency are sounded by independent pipes, high-quality surround sound.  -Dual broadcast band design, support automatic search for all local radio stations, convenient to use.  -Support music playing via TF card or U disk, can be used as a speaker.  -Small and compact size, not occupy space, easy to carry and use.  -Built-in 1000mAh large capacity battery, long play time.    Specification:  Color: Black;  BT version: V5.0;  FM frequency: 76.0-108.0MHz;  Battery capacity: 1000mAh;  Rated power: 3W;  Charging voltage/current: 5V/1A;  Item size: 9.3 * 5.15 * 2.4cm /3.66 * 2.03 * 0.94in;  Item weight: Approx. 85g /3oz;    Packing list:  1 * Radio Speaker;  1 * Charging cable;  1 * User manual