Description: brand new and high quality Feature: 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 for 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 Device Material: plastic+metal Size: 36mmx34mmx12mm/1.4x1.3x0.4in Color: Black Memory Capacity: 4G/8G(Optional)(the local file system must use FAT32 format) Storage time: 4GB: about 47 hours, 8GB: about 94 hours Power supply: polymer battery 3.7V 75mAh, continuous working for about 12 hours Recording Format: WAV,192Kbps Support system: for Windows2000/XP/vista/7/8/10/for An-droid Quantity: 1 PC Note: Transition: 1cm=10mm=0.39inch Please 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 you! Package Includes: 1 Set x Audio Recording Device