Sell SDRD SD-309 / SD- 301 Wireless Bluetooth Dual Microphone Karaoke Portable Speaker Home Karaoke best price

^^^Product features^^^ <<SDRD 309 >> *Bluetooth Potable family Karaoke system * 2 wireless microphones *15+15w stereo speakers. *Bluetooth wireless connection *With USB and micro SD card slots. *Short press music original button is to cancel the original sound. *FUNCTIONAL PARAMETER : *FREQUENCY :100HZ --- 18KHZ *SIGNAL AND NOISE RATIO OF POWER AMPLIFIER : >80dB *LOUDSPEAKER : 4 INCH (EXTERNAL DIAMETER 4 INCH) MAGNETIC RESISTANT 4 OHMS *POWER SUPPLIED : 7.4V / 2000mAh << SDRD 301 >> * Built-in Bluetooth 5.0, the working range can reach 33 feet (about 91.4 meters). Easily connect Bluetooth, AUX, TF/USB input. *It can record streaming audio through a microphone and insert a USB/TF card. In addition, the USB port can realize the power bank function to charge your smartphone/tablet. *30W powerful speaker stereo sound quality, built-in 2*15W speaker is designed for omnidirectional stereo. The bass is stronger and more balanced, equipped with the "voice cancellation" function, which can cancel the singer's voice with one click *Two rechargeable wireless microphones, built-in rechargeable 3.7V / 1500mAh high-capacity lithium battery, the maximum volume of the microphone can provide 3.5 hours of uninterrupted music playback time. The speaker acts as a charging station, so it can be easily charged. With a stable wireless signal above 80 feet (about 2.1 meters), you can freely sing what you want. *Long battery life, built-in rechargeable 7.4V/2000mAh high-capacity lithium ion battery, can play 3.5 hours at maximum volume. It only takes 6 hours to charge using the included Micro-USB cable. *Bluetooth solution: Jerry Bluetooth4.2 *Bluetooth distance: 10 meters *Product size: 129 x 14.5 x 125CM *Speaker power: 12*10w *Speaker specifications: 4 inch external magnetic *Battery specification; built-in 18650 1800MAN 7.4V Insertion time: 12H-3H *Charging method: charger specification: 5v2A electricity. material:ABS Package Contents: 1 x host 1 x charging cable 1 x audio cable 2 x microphones Only the above package content, other products are not included.