Fangrui Product Details Extensive Memory Long Battery Life: Equipped With A Built-in 8gb Memory And A 64gb Tf Card, This Voice Recorder Offers Up To 5,000 Hours Of Storage. A 700mah Battery Allows For 40 Hours Of Continuous Recording After Just 2.5 Hours Of Charging, Complemented By A Low Battery Auto-save To Secure Your Recordings. Dual Wireless Microphone System: This Advanced Recorder Features Two Wireless Microphones, Each Operable Up To 10m Away. They Function Independently With Their Own Signal Channels And Noise Reduction Sponges, Ensuring Clear, Uninterrupted Recordings Ideal For Various Settings Like Lectures And Interviews. High-quality Sound Recording: Utilize 1536kbps Pcm Recording With Dsp Noise Cancellation Technology For Crystal-clear Audio. The Devices 360 Microphone Array Captures Detailed Sound From All Directions, Making It Feel As Though The Speaker Is Right Next To You. Effortless Recording Controls: Simplify Your Recording Tasks With One-click Recording, Saving, And Playback Features. This User-f