The overall feel is good, the screen is large, and it is comfortable Material: front metal, back ABS Overall dimensions: 100*35*12mm (lengthwidththickness) Display 128*128 dot matrix 1.44-inch TFT color screen Data interface TYPE-C USB2.0 Bare metal weight: 62 grams Complete set weight: 131 grams Functions: Multi-language, supports LINE internal recording, noise reduction, AB repeat, bookmarks, timestamps Built-in memory 8GB/16GB/32GB External memory TF card (maximum support 64G) card is not included Charger specifications Voltage: DC5V Current: 500mA-1000mA Battery 3.7V 400mA polymer Recording time 31 hours Music format MP3/WAV/WMA/APE/FLAC Recording format MP3/WAV, play music with headphones for about 26 hours, external sound for about 13 hours 8GB recording: bit rate time 64KB=288 hours, 128KB=144 hours, 768KB=24 hours, 1024KB=18 hours, 1536KB=12 hours Headphone specifications: standard 3.5mm interface Maximum output 10mW + 10mW (32Ohm) Frequency response 20Hz to 20KHz Signal-to-noise ratio >70dB Distortion 0.05% Operating environment temperature -5 to 45 Air humidity 10%-90%