Bluetooth Frequency: 2.4GHz Wireless Range: Wide and Stable Signal Microphone Playtime: Up to 30 hours Receiver Playtime: Up to 20 hours Pickup Pattern: Cardioid Connection: 6.35mm Jack Display: LED Status Display Microphone Type: Handheld Noise Reduction: Supported Pop Filter: Built-in Battery Type: Rechargeable Battery *oraimo Lab test results.