Karaoke bluetooth microphone - a fun wireless karaoke microphone for fun evenings with friends or family. Power: 5W Max Battery: Built-in 18650 LI-battery Frequency range: 100Hz 10kHz Maximum sound pressure level: 115 dB 1khz Dimensions: 2.95 in x 2.95 in x 9.06 in (7.5 cm x 7.5 cm x 23 cm) Weight: (391 g) Product features: 1. Adjustment button Treble / Bass / Volume / Reverb 2. Wireless Bluetooth microphone and dual speakers, no additional connection required, plays by itself. 3. The microphone head has three noise reduction processes, highlight your voice more effectively. 4. Compatibility, suitable for iOS and Android phones, iPad tablets, Bluetooth, etc. 5. Suitable for: Bluetooth speaker, karaoke singing, audio recording, music recording, interview, podcast, etc. Included: 1 microphone; 1 x USB cable; 1 x user manual Color: silver