X001P0D7VL Model: A3320 Purchased new last year and used indoors a few times. Works without any problems, and all accessories are included. —— ● Product Specifications Transmitter (TX) Microphone Directivity: Omnidirectional, Storage Capacity: 4GB / Approximately 7 hours, Operating Time: Up to 6 hours / Up to 15 hours (with charging case), Battery Capacity: 350mAh, Weight: Approximately 30g, Dimensions: Approximately 46 × 45 × 23mm, Receiver (RX) Touch Screen: 1.47 inches, Battery Capacity: 350mAh, Operating Time: Up to 6 hours / Up to 15 hours (with charging case), Weight: Approximately 37g, Dimensions: Approximately 43 × 35 × 30mm ● Noise Reduction Function With Anker's proprietary VoiceShield technology, you can easily record anywhere without worrying about ambient noise. The noise reduction strength can be adjusted in 3 levels (off, weak, strong). By using a windscreen that blocks wind, surrounding noises, including wind sounds, are reduced. Also, gain adjustment (± 15db) allows you to record clear audio that is easy to hear. ● Simple and Easy Operation By simply opening the charging case, the transmitter and receiver automatically pair, allowing you to start recording immediately. Adapters compatible with USB-C and Lightning are included, making it easy to connect to your smartphone. In addition, the touch screen on the receiver allows you to easily customize settings such as noise reduction level and gain adjustment. ● Up to 15 hours of battery life The transmitter and receiver alone can operate for about 6 hours, and up to 15 hours when using the charging case. It also supports quick charging, allowing for about 4.5 hours of use with a 30-minute charge. ● Transmission distance up to 200m, ultra-low latency for natural video recording Supports 2.4GHz connection and features TrueLink technology with LC3plus codec, achieving high connection stability and low latency. You can record videos even up to 200m away. Storage Capacity: 4GB / Approximately 7 hours Operating Time: Up to 6 hours / Up to 15 hours (with charging case) Battery Capacity: 350mAh