Features: Single wireless microphone system with receiver High quality aluminium body LCD display 50 selectable channels Echo, bass and volume control Wireless range up to 40 Metres Built-in rechargeable battery 1/4" jack receiver with 3.5mm adaptor Connect directly to a 1/4" or 3.5mm jack input speaker - Specifications: Carrier frequency range: 470MHz-960 MHz Modulation mode: FM adjustable frequency Max. offset frequency: 45KHz Freq. response: 50Hz-15KHz S/N ratio: >105d - B(A) Working range: 40m - Receiver Channels: 50 Battery capacity: 1200m - Ah Charging time: 3-4 hrs Working time: 7-8 hrs Charge type: Micro-USB Dimensions: 13 x 3 x 2cm - Transmitter Frequency response: 50Hz-15KHz Dynamic range: >100d - B(A) Microphone pickup: dynamic Power: 3.7V polymer rechargeable battery Charge type: Type-C Dimensions: 24 x 3.5cm In the box 1x rechargeable wireless microphone 1x rechargeable receiver (1/4" jack) 1x Anti-roll ring - black 1x 3.5mm adaptor (1/4" female to 3.5mm male) 1x wind sock - black 1x Type-C to USB cables 1x Micro-USB to USB cable