Educational bookwith many interesting sounds or music, ideal choice for children's book Different sound button control different sound or the chapters and sections, it can emit real-man voice; Sound pad with custom voice and 4/ 6/ 8 keys; Sound file we usually adopt WAV. or MP3 file format; LOGO customized is available; Various housing size is available; It is fit for the electronics teaching supplies,especially 36 to 96 months,add funs to learning; Various housing size is available; Custom sound, housing design are welcome. YDL is anISO9001:2008 (SGS) and RoHs (TUV)certified manufacturer of electronic toys and promotional gifts which made with sound modules and/or LED flash modules, we can also provide the sound modules and LED flash modules toyou asyour requirements, OEM/ODMorders are warmlywelcome. Our factory is occupied over 10,000 square feet, we have 3 sets JUKI SMT machines, 10 sets ASMCOB machines, 6 sets UNION injection machines, 6 sets mould making machines, 3 sets High Frequency Plastic Welder, 2 sets Ultrasonic Washing Machine, 2 sets Packing Machine.We have a high-educated R&D team which made up of 25 engineers and 5 designers, this is why we can change our customers' ideas into real products efficiently.All our products have passed the CE, RoHs and FCC test, they are approved and accepted by Mattel, Disney and Wal-Mart. For more information? Contact us now!