1.Unique design by MP3 watch with Calendar 2.Capacity: 64M/128M/256M/512MB/1GB 3.Steel case with Japanese chip and with waterproof function 4.MIC record to mp3 format function 5.A-B repeat function/ USB port 6.Function setting memorized automatically 7.Support mp3, wma format 8.Rechargeable Li-ion battery" 9.USB data line/CD-driver/instruction book/headphone/AAA battary