Condition: 100% Brand New Item Type: Loudspeaker Model: M301 Material: ABS Optional Color: Blue, Pink Rated Power: 5W Output Impedance: 2Ω Frequency Response: 100Hz-13000Hz Input: 5V==500mA Maximum Working Temperature: -10C~45℃ Battery Capacity: 1800 mAh Standby Time: Approx. 38 Hours Microphone Sensitivity: 52db±2db Weight: Approx.382g Package Size: Approx. 21x15.5x5.5cm/8.27x6.10x2.17inch 1、Professional loudspeaker of large sound field, professional amplification, loud and clear sound, suitable for teaching/tour guide/shopping mall/outdoor speech and other occasion. 2、Standard high quality head microphone,comfortable to wear, fine and clean sound quality. 3、High quality FM radio, support FM automatic searching(frequency range 70-108MHz). 4、Break point memory: After turning off and starting up, the music continues to play the song that was quit last time. 5、Music digital song request: 0~9 intelligent digital song selection, convenient and time-saving. 6、Rechargeable external lithium battery: Large capacity 18650 lithium battery, reliable quality, convenient battery life, safer using. 7、Fully compatible with audio equipment: Supports PC, mobile phone, laptop, tablet PC, MP3 for audio using. 1 x Loudspeaker 1 x Microphone 1 x Belt 1 x Charging Cable 1 x Chinese Manual