Wireless Microphone System Receiver with Handheld Mic U Band Anti-Howling Digital Display Screen for Home Cinemas Karaoke Church Speech Wedding Party Singing Rechargeable Wireless Microphone Handheld Microphone Frequency Range: Fixed frequency 630.65, 661.85 Battery Type: Lithium ion battery Battery Capacity: 3.7V/2000mAh Charging Method: Type-C charging Receiver Audio Output: 6.35mm line output Battery Type: Lithium ion battery Battery Capacity: 3.7V/2000mAh Charging Method: Type-C charging Product Style: 1 Receiver with 2 Microphone Microphone Size: 25.5 * 5 * 5 cm/10 * 2 * 2 inch Receiver Size: 11.5 * 3.5 * 2.5 cm/4.5 * 1.4 * 1.1 inch Microphone Weight: 167 g/5.9 oz Receiver Weight: 57 g/2 oz