ITEM NAME:20s Voice recorder chip sound recording playback audio recordable moduleOZ Item specifics Operating Temperature:-30℃-85℃ Type:Logic ICs Supply Voltage:2.7-4.5V Application:Voice Module Size: 2* 1.3cm (L*W) No retail package Note: Due to the difference between different monitors, the picture may not reflect the actual color of the item. Thank you! Package includes: 1Pc* 20s Voice Recorder Chip Sound Recording Playback Module Audio Recordable.1Pc 20s Voice Recorder Chip Sound Recording Playback Module Audio Recordable. Application:Voice Module. Note: Due to the difference between different monitors, the picture may not reflect the actual color of the item.