OOTDTY100% brand new and high qualityFeature:Fashionable mini and lightweight heart voice recorder, easy and convenient to carry.One button voice activated recording, very useful and practical.192Kbps High quality recording, 12 hours continous recording.Charging while recording, extend recording time.USB disk function, 4G/8G memory capacity to choose from.With hang rope hole,you can put it on the pedant or on the keychain.Specifications:Item Type: Audio Recording DeviceMaterial: plastic+metalSize: 36mmx34mmx12mm/1.4x1.3x0.4inColor: BlackMemory Capacity: 4G/8G(Optional)(the local file system must use FAT32 format)Storage time: 4GB: about 47 hours, 8GB: about 94 hoursPower supply: polymer battery 3.7V 75mAh, continuous working for about 12 hoursRecording Format: WAV,192KbpsSupport system: for Windows2000/XP/vista/7/8/10/for An-droidQuantity: 1 PCNote:Transition: 1cm=10mm=0.39inchPlease allow 0-1cm error due to manual measurement. pls make sure you do not mind before you bid.Due to the difference between different monitors, the picture may not reflect the actual color of the item. Thank youPackage Includes:1 Set x Audio Recording Device