Specifications: Transmission: 2.4G channel Transmission Distance: 60m/196.8ft (Under unobstructed conditions) Transmission Delay: 15ms Working Frequency: 2.4G connection Charging Interface: Type-C charging port Sensitivity: -26dB Specify Type: Omnidirectional capacitor microphone Signal to Noise Ratio: 64dBM Transmission Frequency Band: 2400MHz-2483.5MHz Charging Time: 1.5h Single Endurance: About 8 hours Composite Endurance: About 48 hours Color: Black, White (optional) Charging Compartment Size: 8.3 * 2.5 * 6.5cm/3.3 * 0.9 * 2.6inch Note: Due to the different display screen and light effect, the actual color of the item might be slightly different from the color showed on the pictures. Packing List: 1 x Receiver 2 x Microphone 1 x Charging Compartment 2 x Charging Data Cable 1 x Adapter 1 x Instructions