Character: Size: 124mm(L)*83mm(W)*22mm(h) Main Chips: SAMSUNG S3C2440A-40 Memory: 64MB (Capable of being expanded to 2G) Software : SD Card Screen: 4.3;Pixel 480*272 Audio Output: Dual audio track CD acoustic fidelity Audio Power: Earphone dual audio track 0.25W/CHANEL, dual channel 8 Ohm/2W Battery: Built-in Rechargeable Lithium battery 1200mAH Chipsets: SiRF Star III Working Frequency: 1.575GHZ Navigation Precision: 10m, 2D RMS;5m, 2D RMS, WAAS enable Antenna: Built-in active ceramics antenna Bluetooth Distance: 10m