... -280VLight board: Key button<15, touch key<15Main IC model: HT-HW09A-16PINTouch IC model: HW-CM1-DIP20<8 key button, can't ... move HW-CM16-SOP24>8 key button can moveVoice IC model: 040-16P, 040-8S,040-8P, 4108-8P-40S, 4108 ... -8P-80SLCD IC Model: 1621-SOP48, 1621-SOP28 The digital driver IC ...