Specifications: Music download, playing and recording functions combined, the multifunctional walkman Built-in 16/32/64/128MB flash memory Special SMC card slot, continuously upgrading the player by SMC card available Download speed of 3.2MBPS No any moving and wearing parts, miniature, light weight, low power consumption, full shockproof Exchanging PC files as the database available Hold switch function Function of examining the remained room of memory Four electronic sound effect: classic, jazz, rock-and-roll and normal Four playing modes: normal, brief, repeat 1, repeat all USB computer ports Two hours of recording time, the recorded content can be stored in the maximum of 99 different files Aluminum alloy housing, beautiful appearance, four colors (rose color, champagne gold, silver white and lake blue are available) Power supply: 3V (two AAA batteries) Sound frequency range: 20-20000HZ（+0.5dB;-1.5dB） Maximum output power: 5mW Weight: 54g (batteries excluded) Dimension: 76×56×17mm