Rolton K400 Portable Wired Mini Audio Speaker Megaphone Voice Amplifier Loudspeaker Microphone

Material: UV & 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 battery(not included) Impedance: 2Ω Display Screen: LCD Working Temperature: -5 ~ 40°

Features: - 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 Decode. - This product can Continuous work for 72 hours. - This product Single track loudnesss can reach 128dB.

Package Weight: 220.0 G / 7.76 Ounces Package Dimensions (L*W*H): 165*120*70 MM / 6.50*4.72*2.76 Inches Retail Packaging: Yes, Colored Box

Packing List: 1 X Product 1 x Cable Head Microphone 1 x Belt 1 x Certification of Competency 1 x Power / Data Line