This voice recorder features a metal body with a 1.44 inch 128*128 dot matrix TFT colour screen. Size: 100 x 35 x 23mm/3.93 x 1.37 x 0.9in (LxWxD), weight: 103g/3.63oz. Equipped with Type-C USB2.0 interface, built-in 16GB memory (supports TF card up to 64GB). 3.7V 400mAh polymer battery offers about 20 hours of headphone music play, 10 hours of external voice play, and 30 hours of recording. Supports music formats: MP3/WAV/WMA/APE/FLAC; recording formats: MP3/WAV. Standard 3.5mm earphone interface, maximum output 10mW+10mW (32Ohm), frequency response 20Hz-20KHz, SNR >70dB, distortion 0.05%. Operating environment: -5 to 45°C, 10%-90% air humidity. Compatible with Windows98/2000/XP/7/8/10. Languages: English/Simplified Chinese/Traditional Chinese/Korean. Color: as shown in the picture. Packing List: 1 x Voice Recorder, 1 x Earphone, 1 x Type-C Data Cable, 2 x Manual