Generic Radio Loudspeaker with SIM Card Slot

Product parametersOutput power: RIMS20WFrequency Response: 100HZ - 13,000HZ+1dbCurrent consumption: 150mAOperating voltage: DC 7.47, A-grade fidelity lithium battery 1200mAhCharging time: about 4-6 hoursUse time: more than 15 hours of sound amplification time, 8 hours of high volume playback timeMaterial: Taiwan Chimei - high-strength ABS engineering plasticsSize: 10.4X8.5X3.5cmWeight: 320gCoverage: can cover 400 square meters, super long standby sound qualityThe N74U's radio is great: the extended FM radio antenna signal is stronger and clearerHow does N74U get radio?First, turn the knob switch to the on direction to turn on the power, in the radio mode (if not, you can long press the mode switch on to switch) short press modePress the Switch key to automatically search channels (if you want to end the automatic channel search early, you can press any key for the next song), and when the search is over, select the next song.The sound quality of the N74U is quite outstanding, with high definition and more stations found. Of course, the number of stations found is related to the strength of the local station signal.

• 【High-definition sound amplification enjoyment】: Big speaker sound amplification, can cover 400 meters, 1200mA, lithium battery, the teacher can last for more than 8-15 hours in class, Power saving.
• 【Read TF card function】: Built-in TF jack, you can directly insert the TF card, turn on the host switch, you can play the music on the TF card. The host defaults to USB first, TP card second, and then radio.
• 【Read U disk function】: Built-in USB interface, you can directly insert a disk, turn on the host switch, you can play the music on the U disk.
• 【FM radio】: Built-in FM radio function, you can listen to radio news at any time, independent radio antenna design; guarantee the radio effect and the number of channels. Excellent sound quality!
• 【MP3 input, as a small stereo】 Built-in audio cable, one end of the audio cable is inserted into the MP3 input port, and the other end is inserted into the audio interface of the computer, and you can enjoy perfect music. The song can be switched up