Function introduction: 1.Compatible with MP3/CD/VCD/CD-R; 2.MP3 120 Seconds anti-shock; 3.CD 40 Seconds anti-shock; 4.VCD 5 Seconds anti-shock; 5.Remote Controller; 6.Menu; 7.Remote Controller; 8.Select, repeat, program, multi-section view, optional time, memory play; 9.Rechargeable; 10.Keys lockable. Specifications: Video Mode: PAN/NTSC Operating conditions(temperature):0oC~+35oC Operating conditions (humidity): 5%~9% Compatible Discs: VCD, DVCD, CD, MP3, CD-R VCD features: 1.0,1.1,2.0 version Video: video Output: 0.5~1Vp-p(75&Omega) Compressed way: 1.1MPEG1-(ISO/IEC1172) Photo: PAL 352X288X25 NTSC 352X240X29.97 Audio: Frequency Response; 20~20,000HZ Monophonic: 75dB S/N Ratio: 70Db Audio Output:15Mw+15/32W&Omega Power Supply: Two pieces rechargeable batteries AC power adaptor: Input: 100&or-240&or/AC50/60HZ Output: 4.5&or/DC800mA