Portable Audio Recorders: aigo R6620 & Hyundai HYM-3688

Both works without any issue. The aigo R6620 (Left) is $20, the Hyundai HYM-3688 (Right) is $15. Key Features of the aigo R6620 (Left) • Brand/Model: aigo R6620 Linearity PCM Recorder • Microphones: Three built-in high-sensitivity condenser microphones with left/right stereo and 3D recording support. • Recording Formats: WAV and ADPCM with support for high-definition PCM quality and multiple bitrate/sampling rates (8KHz–48KHz). • Storage & Build: Built-in 8GB storage capacity inside a lightweight 88g zinc alloy metal body with a paint-finish casing. • Battery: 280mAh lithium battery delivering around 23 hours of continuous recording, plus a 5-minute fast-charge emergency feature. • Display & Controls: 1.1-inch LCD screen (128x48 resolution) with a 9-button physical control layout. Key Features of the Hyundai HYM-3688 (Right) • Design: Slim, stick-style black metal or plastic body with a built-in speaker grille and a prominent red REC button. • Storage Capacity: Comes in 8GB internal flash memory variants. • Audio Formats: Supports recording and playback in formats like MP3 and WAV. • Extra Functions: Includes features such as A-B repeat, voice-operated recording (VOR), and a built-in MP3 music player accessible via a 3.5mm headphone jack.