Features: Bluetooth-enabled device for connecting to cell phones, allowing call recording with high-speed Bluetooth connectivity. 0.96-inch LCD screen with speaker and external amplifier. Constructed from zinc alloy with electroplated one-piece lens. Includes 3.5mm headphone jack and Type-C fast charging port. One-key recording function supports MP3 and PCM linear recording with 3072Kbps o quality. Offers up to 48 hours of recording time. Supports voice-activated recording and automatic split recording. Compatible with multiple playback formats: MP3, WMA, OGG, APE, JQ-FLAC, WAV, AAC-LC, ACELP. Features one-touch recording, dynamic noise reduction, 3072KBPS lossless o, voice-controlled recording, password protection, timer recording, e-book reading, segmented recording, speech-to-text conversion, record-while-listening, automatic time stamping, recording playback, music playback, multiple sound effects, U-disk functionality, A-B repeat, external playback support, local file deletion, and fast forward/reverse playback. Built-in intelligent noise reduction chip delivers HD sound quality. Long-distance recording up to 100 meters with 6D dual microphone system. HD 360-degree omnidirectional stereo sound pickup. Voice-activated recording automatically starts when sound is detected, helping conserve storage space and reduce playback time for filtering irrelevant clips. One-key operation for quick and simple recording to prevent missed rtunities. Variable speed playback without pitch change allows multi-level speed adjustment during playback, ideal for file analysis and faster learning. Automatic segmentation records files and splits them by set time intervals: 30, 60, or 120 minutes. Timer recording function allows preset recording start time; device activates silently without sound or lights. 48-hour long-lasting battery with power-failure protection; automatically saves recordings to prevent data loss. Supports multiple languages including Chinese, English, German, French, Italian, and Spanish. Specifications: Name: Recording Pen Model: A20 Recording Format: MP3/WAV Music Format: MP3/WAV/WMA/OGG/APE/JQ-FLAC/WAV Recording Quality: 3072KBPS NSR: 70dB Frequency Response: 20Hz–20kHz Internal Memory: 32GB Bluetooth Function: Supported Recording Storage: Up to 192 hours of recording Operating Time: Up to 48 hours of continuous recording Standby Time: Up to 30 days Battery: Built-in 3.7V 230mAh Recording Modes: Voice-activated or manual Microphone: Built-in 3 high-sensitivity microphones Language Support: Chinese, English, German, French, Italian, Spanish Headphone Jack: 3.5mm Charging Port: Type-C Dimensions: 101 x 22 x 10mm Color: Black Material: Metal Package Includes: 1 x Recording Pen 1 x User Manual 1 x 3.5mm Headset 1 x Type-C Data Cable