Model Number: ESYS-J401-183 Key Specifications/Special Features: Custom voice talking beer bottle opener with blister packingCustom voice and shapeCMYK logo printingVoice recording is optionalWhen you touch the two pieces of metal, the voice will come up Size 135mm X 50mm X 15mm. or custom Power supply 3 pieces AG13 button cell batteries Speaker type 29mm diameter plastic speaker Sound duration 15 seconds other duration accept customized Life time Can use more than 500 times To use Sound or music will play automatic when open the bottle cap Quality standards CE, RoHS, EN71-1/2/3, and REACH quality standards Customized Plastic shape, size, color, logo print, sounds all accept customized