Specifications: Bluetooth: V4.2;  TF card: maximum support 32G;  Support audio format: FLAC / WAV/ APE / WMA/ MP3;  Support recording format: MP3 (128kbps);  Recording time/memory usage: about 15 hours/1GB;  FM frequency range: Optional frequency coverage: 76- 108MHz (applicable to Japan and Russia, including some domestic campus broadcasting frequencies);  87-108MHz (applicable to countries other than Japan and Russia);  FM noise limit sensitivity: 2μV;  Speaker specifications: Φ40mm, 4Ω, 2W;  Frequency response range: 90Hz-18kHz;  Power supply: BL-5B lithium-ion battery (3.7V/1000mAh);  Charger (optional): DC 5V/500mA (USB specification);  Color: red, black, silver;  Product size (without whip antenna): about 120 x 62 x 20 (mm);  Product weight (including lithium battery):about 134g;  Features: Compact size and simple operation, you can record, listen to music, and enjoy broadcasting anytime and anywhere.  Two recording methods: self-record local broadcast; use the built-in MIC for daily recording of meetings, interviews, and foreign language learning.  The recording format is MP3/128Kbps, the recording and playback sound quality is good, 1G can record for about 15 hours, and the maximum support 32G TF memory card.  It can play MP3/WMA and WAV lossless format music files and supports breakpoint resuming.  Bluetooth 4.2 lossless transmission.   FM reception covers the 76~108MHz range, and can automatically search for pre-selected FM radio stations (ATS) It can be used as a computer speaker and U disk by connecting a computer with a data cable.  Using high-quality speakers, built-in low-frequency amplifier, beautiful sound quality.  LCD liquid crystal display function status.  Lithium battery power supply, USB port charging.     Package Included: 1 x A5 Radio