Item specification Player control buttons Built-in x2 speaker Standalone speaker function Frequency band: 100Hz-10kHz Sound parameter adjustment: Bass. Soprano. Echo Built-in battery: 2600mAh Li-ion Working time: 6-8h Charging voltage: DC 5V Sound volume control: from the microphone or from the background music Dimensions: 240 x 75 x 75 mm Communication: Bluetooth 4.1 ORIGINAL CASE KARAOKE BLUETOOTH WIRELESS MICROPHONE SPEAKER A wireless bluetooth microphone allows you to connect to smartphones, tablets or SMART TVs with Android operating system and play music through the built-in speaker, while overlapping our singing received by the microphone. The microphone is a great solution for a party with friends (karaoke), and is also loved by children. Sensational. wireless microphone. which is perfect for karaoke. playing with friends or with family and children. The microphone is very handy, light and durable. The device has a built-in BLUETOOTH module, so you can use it wirelessly or e.g. The device has a sensitive microphone with built-in noise reduction. Two speakers provide sufficiently clear and powerful sound. The whole is made of high-quality materials with a glossy surface. A wireless bluetooth microphone allows you to connect to smartphones, tablets or SMART TVs with Android operating system and play music through the built-in speaker, while overlapping our singing received by the microphone. OPERATION OF THE MICROPHONE: The microphone connects via bluetooth to a phone, tablet or SMART TV, which has an ANDROID or IOS operating system. Once the microphone is paired, the running music will be played through the built-in microphone speaker just like in classic wireless speakers. Then we start the music player, karaoke program or Youtube channel and turn on the selected music track. At this point, the sound is played on two built-in speakers, and the text that we are to sing is displayed on the screen of the phone, tablet or TV. COLORS TO CHOOSE PINK BLUE GOLDEN BLACK SILVER ORIGINAL CASE