: Display: 1.44 inch colorful screen Device Storage: 16GB Extra memory card: 8GB/16GB/32GB/64GB Rechargeable battery capacity: 3.7V 600mAH Charging time: 3--4.5hours Recording format: WAV /MP3 WAV recording bit rate: 1536Kbps / 1024Kbps / 768Kbps / 512Kbps MP3 recording bit rate: 128Kbps /64Kbps / 768Kbps / 32Kbps Frequency: 20-20KHZ Working Temperature: 5 to 40 The recorded sampling rate: 8 KHz ~ 48 KHz Playing compression rate support: WAV maximum 24BIT 48KHz APE/FLAC maximum 16BIT 48 KHz Colour: black Material: Metal Package Contents: 1*Digital Voice Recorder 1*USB Cable 1*Chinese and English User Manual Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.