Features:1. 2 in 1: 8GB digital voice recorder + MP3 player 2. 8GB lager internal memory3. LCD digital screen4. Support A-B repeat / music / time setting function5. Built-in high power speaker which will bring you ultimate experience6. MP3 format supported7. Records telephone conversations， lectures， meetings， interviews9. Recording monitor and hearing aid function10. Record telephone conversation and record via external microphone11. Built-in rechargeable battery12. Professional appearance design， easy to carry Model : GH-500 Features: Voice Recorder + MP3 Player Display: LCD Screen Capacity : 8GB Recording Format : MP3， WAV Recording Source: External MIC recording， Built-in MIC Support System: Windows / 98 / SE / ME / 2000 / XP / 7 / Vista Optional Languages: Simplified Chinese， Traditional Chinese， English Package weight: 0.212 kg Product size (L x W x H) : 9.0 x 3.0 x 1.0 cm / 3.54 x 1.18 x 0.39 inches Package size (L x W x H) : 15.5 x 8.5 x 4.5 cm / 6.09 x 3.34 x 1.77 inches Package Contents: 1 x GH-500 8GB LCD Display Digital Voice Recorder MP3 Player， 1 x USB Cable， 1 x Earphone， 1 x English User Manual