Featured with a large-capacity battery, the wireless microphone supports long standby time. This wireless microphone is ergonomic and lightweight, providing a comfortable grip. With the adoption of VHF noise-reduction technology, this wireless microphone supports stable and anti-interference transmission, as well as high-fidelity and surround sound effects. It is constructed of ABS material. The length of the wireless microphone is 24cm and width is 5cm. This wireless microphone is suitable for various devices such as smartphones, laptops, sound cards, DVD players, and more. Item Name: Wireless Microphone Material: ABS Frequency Range: CHA/268.85 MHz, CHA/266.85 MHz Output Impedance: 600 ohm +/-3% (1KHz) Sensitivity: -58 +/-3dB Distortion: Less than 1% (1KHz) Frequency Response: 150Hz-12KHz Microphone Power: 2 x AA Batteries (Not Included) Receiver Battery: 1 x AA Battery (Not Included) Working Temperature: -10 to 50 Degree Celsius Features: Sensitive, Noise Cancelling, High Fidelity Size Details: 24cm x 5cm / 9.45" x 1.97" (Approx.) Notes: Due to differences in lighting and screen settings, the item's color may vary slightly from the images. Please allow slight dimensional differences due to manual measurement. Package Includes: 2 x Wireless Microphones 1 x Receiver 1 x User Manual