Feature:100% brand new and high quality.The keychain design makes it easy to carry and travel.It is a full-featured recorder that can provide great convenience in classroom recording, meeting recording and memo recording.After being fully charged, it will continuously provide a long-term playback recording mode. Specification:Item Type: Keychain Button RecorderMaterial: MetalColour: BlackRecording format: WAVPower supply: Li-ion BatteryTransmission port: USB 2.0Size: (appro.) 83x25x11mm /3.26x0.98x0.43inchMemory capacity: 4GBMemory card type: not support TF cardQuantity: 1 Pc (not including other attachments in the picture for presentation) Notes:1. Transition: 1cm = 10mm = 0.39inch2. Due to manual measurement, please allow an error of 0-1 cm. Make sure you don&39;t mind bidding.3. Due to the difference between different monitors, the picture may not reflect the actual color of the item. Thank youThe package includes:1 X Keychain Button Recorder1 X USB Cable1 X Manual