Ultra-compact Size: The BY-V series is small and lightweight, easy to carry. The transmitter weighs 9.5g and the receiver weighs 6g. Simple to use—just plug in the receiver and start recording. 2-in-1 Live Broadcast & Phone Charging: A USB-C charging port is located on the side of the BY-V series receiver. While recording, if your device requires power, you can connect it to this USB-C port for charging. Noise Cancellation: The NR button on the transmitter activates noise-canceling mode, which reduces most ambient noise, delivering clear and pure o. Long Battery Life: The transmitter provides up to 9 hours of continuous operation after a full charge. The receiver draws power from the connected device, eliminating the need for separate charging. Specifications: Transmission Type: 2.4GHz Directivity: Omnidirectional Frequency Response: 20Hz–16kHz SNR: 80dB Sensitivity: -42dB Transmission Range: 50m (in open area) RX Output Power: 6dB TX Battery Capacity: 95mAh TX Charging Time: Approximately 2 hours TX Battery Life: Approximately 9 hours Receiver Power Supply Mode: Powered by connected device Transmitter Weight: 9.5g Receiver Weight: 6g Transmitter Dimensions: 52.22 x 25.23 x 19.75mm Receiver Dimensions: 43.92 x 23.5 x 9.3mm