Original Rolton K400 Portable Audio Speaker Megaphone Voice

Item Description： Material: UV amp; ABS Rated Power: 5W Input Power: Power Adapter /USB Power Supply / Lithium Battery Degree of Separation: 80dB Distortion Degree: 1% 3.7V, 1Khz, 1W SNR: 83dB Working Voltage: DC 3.7V Input: DC 5.0V Lithium Battery Capacity: 18650 batterynot included Impedance: 2Ω Display Screen: LCD Working Temperature: -5 40° Feature: - Insert a TF card, then it will support recording function and playing the recording files via the dual 3W HD stereo speakers; the LED display screen shows the information and status of the speaker. - Support MP3 / WAV Lossless Dee. - This product can Continuous work for 72 hours. - This product Single track loudnesss can rea 128dB. Package include： 1 x Mini Audio Speaker 1 x Cable Head Microphone 1 x Belt 1 x Certification of Competency 1 x Power / Data Line