• Compact and lightweight, the weight of the transmitter is 9.5g, and the receiver is 6g, making them very portable
• No Adapter, Bluetooth or application is needed. Just plug the receiver into your devices, then turn on the portable mic, these two parts will pair automatically
• Equipped with high-density spray-proof sponge and high-sensitivity microphone, our device clearly records every detail of the sound regardless of the surrounding environment
• The small lapel microphone is free of wire. You can hold it by hand or clip it on your shirt
• Enable to cover 50m164ft for signal, help you get rid of the messy wire and clearly records or takes video at a further distance indoors or outdoors
• The wireless lavalier microphone is built in 95mAH rechargeable batteries for up to 9 hours of operation time with only two-hour charging time. While using the lav mic, you can charge your device simultaneously

Specifications:

• Transmission type: 2.4GHz
• Polar pattern: omnidirectional
• Frequency Response: 20Hz-16kHz
• SNR: 80dB
• Sensitivity: -42dB
• Working range: 50m (without obstacles)
• RF output power: 6dB
• Transmitter battery capacity: 95mAh
• Transmitter charging time: about 2 hours
• Transmitter battery life: about 9 hours
• Receiver power supply mode: external equipment power supply
• BY-V1-TX: 9.5g
• BY-V1-RX: 6g
• BY-V1-TX: 52.22x25.23x19.75mm
• BY-V1-RX: 43.92x23.5x9.3mm