Description:The wireless microphone features large-capacity battery, which supports long standby time.The wireless microphone adopts intelligent noise-reduction loudspeaker, which can bring you high-fidelity, surround, loss sound effect.Made of ABS material and aluminum alloy, the wireless microphone is eco-friendly and durable to use.The length of the wireless microphone is 24.5cm, width is 8cm and height is 8cm.The wireless microphone is suitable for many types of devices such as smart phone, laptop, tablet and so on. It supports many connection methods such as Bluetooth-compatible, TF card and Aux cable.Item Name: Wireless MicrophoneMaterial: Aluminum Alloy,ABSModel: K7Pickup: CondenserSpeaker Power: 4 5W (Speaker Output)Frequency Response Range: 150Hz-10KHzMaximum Sound Pressure Level: >115dB 1KHz THD Bluetooth-compatible Version: 5.0Power Supply: 1 x 5V 18650 BatteryBattery Capacity: 2000mAh(Included)Life Time: 6-8HCharging Time: 3HWorking Temperature: -10 Degrees Celsius-45 Degrees CelsiusConnection Method: Bluetooth-compatible/TF Card/AUXSize Details: 24.5cm x 8cm x 8cm/9.65" x 3.15" x 3.15" (Approx.)Notes:Due to the light and the screen setting difference, the item's color may slightly differs from the pictures.Please allow slight dimension difference due to the manual measurement.Package Includes:1 x Wireless Microphone1 x Data Cable