Technical specifications&nbsp;Color &nbsp;Black&nbsp;Size &nbsp;34mm*36.5mm*11.7mm &nbsp; &nbsp;Weight &nbsp;about &nbsp;8g&nbsp;Power Supply &nbsp;Polymer Battery 3.7V 75mAh&nbsp;Recording Format &nbsp;WAV; 192Kbps&nbsp;4GB Recording Time about 47 hours&nbsp;8GB Recording Time about 94 hours&nbsp;16GB Recording Time about 188 hours&nbsp;32GB Recording Time about 376 hours&nbsp;Support System &nbsp;Windows2000/XP/vista/7/8/10/Android&nbsp;&nbsp;&nbsp;Descriptions:1.Fashionable mini yet light heart voice recorder2.One button voice activated recording3.192Kbps High quality recording4.Charging while recording; extend recording time5.The indicative light is inconspicuous; easy operation and concealed6. 12 hours continous recording7.With Clock IC; accurate time-stamp function8.USB disk function9.With hang rope hole; you can put it on the pedant or on the keychain&nbsp;<img data-srcid="-" src="https://image.doba.com/dgd1-huqHzTESPYbG/wr02-audio-recording-device-8gb-mini-pedant-small-keychain-light-heart-shape-necklace-voice-activated-recorder-usb-disk.jpg" alt="dropship WR02 Audio Recording Device 8GB Mini Pedant Small Keychain Light Heart Shape Necklace Voice Activated Recorder USB Disk" /><img data-srcid="-" src="https://image.doba.com/dgd1-hWbRmZGvocVn/wr02-audio-recording-device-8gb-mini-pedant-small-keychain-light-heart-shape-necklace-voice-activated-recorder-usb-disk.jpg" alt="dropship WR02 Audio Recording Device 8GB Mini Pedant Small Keychain Light Heart Shape Necklace Voice Activated Recorder USB Disk" /><img data-srcid="-" src="https://image.doba.com/dgd1-ypvQmaRicYVk/wr02-audio-recording-device-8gb-mini-pedant-small-keychain-light-heart-shape-necklace-voice-activated-recorder-usb-disk.jpg" alt="dropship WR02 Audio Recording Device 8GB Mini Pedant Small Keychain Light Heart Shape Necklace Voice Activated Recorder USB Disk" /><img data-srcid="-" src="https://image.doba.com/dgd1-iBvemTESJYDp/wr02-audio-recording-device-8gb-mini-pedant-small-keychain-light-heart-shape-necklace-voice-activated-recorder-usb-disk.jpg" alt="dropship WR02 Audio Recording Device 8GB Mini Pedant Small Keychain Light Heart Shape Necklace Voice Activated Recorder USB Disk" /><img data-srcid="-" src="https://image.doba.com/dgd1-iwDmyfRmPYqk/wr02-audio-recording-device-8gb-mini-pedant-small-keychain-light-heart-shape-necklace-voice-activated-recorder-usb-disk.jpg" alt="dropship WR02 Audio Recording Device 8GB Mini Pedant Small Keychain Light Heart Shape Necklace Voice Activated Recorder USB Disk" />