This lightweight wireless microphone is comfortable for you to wear. This wireless microphone uses large-capacity battery, which features long standby time. It is great to have stable and anti-interference transmission as well as high-fidelity and lossless sound effect because this microphone has 2.4G wireless technology and intelligent noise cancelling. It is constructed of ABS material. The length of the transmitter is 8cm and width is 5cm. This wireless microphone is suitable for meeting, teaching training, venue speech, tour guide and voice amplifier, speaker, sound card and so on. Item Name: Wireless Microphone Material: ABS Frequency Range: 16bit-16kHz Frequency Response: 100Hz-15KHz Modulation Method: GFSK Transmit Power Consumption: Less Than 15mA Power Consumption: Less Than 10mA Battery Capacity: 450mAh(Included) Charging Time: 2H Battery Life: 15H Receiving Distance: 30m Features: Intelligent Noise Cancelling, High Fidelity, Comfortable Size Details: Transmitter: 8cm x 5cm/3.15" x 1.97" (Approx.) Notes: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement. Package Includes: 1 x Transmitter 1 x Receiver 1 x 6.5mm Adapter 1 x Charging Cable