Multiple functions: music playback, video playback, sound recording, FM radio, e-book, picture browsing, alarm function, date and time function (including setting time and setting date)Upgrade Bluetooth 5.0: Superior signal easily compatible with TWS & Bluetooth headset & speakersFM radio function: Support common band: 87.5MHz~108MHz, Japan band: 76MHZ~90MHz, European band: 87.5MHz~108MHzBack clip design: Designed with a back clip for easy hands-free useRecording function: Clear recording for meetings/class/interviewSupport multiple languages: English, German, Italian, Spanish, Dutch, Portuguese, etc.Specifications:Memory: 64GBSize: 66*41.5*18mmProduct weight: about 34 gramsDisplay: 1.77 inchesResolution: 128*160Bluetooth: V5.2Audio format:APE (Fast/Normal compression, 800Kbps-1000Kbps, sampling rate 8KHz-48KHz)FLAC (1000Kbps-1200Kbps, sampling rate 8KHz-48KHz)MP3 (8Kbps-320Kbps, sampling rate 8KHz-48KHz)WMA (5Kbps-384Kbps, sampling rate 8KHz-48KHz)WAV (32Kbps-1536Kbps, sampling rate 8KHz-48KHz)AAC-LC (8Kbps-320Kbps, sampling rate 8KHz-48KHz)Video format: AVI 128*160 (conversion tool required)Recording format: WAVPicture format: support JPG/JPEG/BMPE-book format: TXT documentTF card expansion: 128G (TF card not included)Charging input: 5V 1000mAE-book format: TXTBattery: 1000mAh 3.7V polymer batteryCharging time: about 2 hoursSupported operating system: WindowsXP/vista/Windows8/for Mac os10.12 and above