Microphone with built-in speaker features 3W power and a 1500mAh battery. It consists of high-quality and durable plastic material, which guarantees durability and trouble-free use. Attractive design and precision production. Power: 3 W. Frequency range: 100 Hz to 10 kHz. Effective echo function. Dimensions: 22 × 6 × 6cm. Battery: 1500 mAh. Charging via USB cable. Colour: Pink