ROLTON K300 Mini Voice Amplifier Lound Speaker FM Radio MP3 Player Power Bank for Teacher Training - Black

• Small and lightweight: Unique shape and appearance. It only weighs 249g

• 2200 mAh lithium battery: 18~22 hours of standby time, 12 hours of use

• Professional amplifier: circuit to amplify sound (reverb sound). Support AUX audio input can be used as a computer speaker; TF card music player (no more than 32GB) for MP3, WMA, and WAV format audio

• Stereo FM radio: Automatically search and save radio stations, it also acts as a 2200mAh power bank

• Easy to wear: With an adjustable waist belt or neck strap, detachable belt clip and headset microphone, it is comfortable and perfect for teachers, coaches, tour guides, presentations and more

Specification:

• TF card player: yes

• FM radio: yes

• Repeat: yes

• Recording: no

• Loop playback: yes

• Fast forward and rewind: yes

• Reverb: yes

• Material: ABS/UV

• Output power: 5W

• Sensitivity: 80db

• Distortion: 1%

• Voltage: DC 3.7V

• Charging voltage: DC 5.0V

• Battery: 2200mAh

• Display: LED

• Speaker: 2.5 inch*1

• Audio format: MP3/WMA/WAV

• Size: 86*39*117mm (W*D*H)

• Basic functions: Music - FM - Amplifier - Power Bank