Portable Auto Pairing Voice Amplifier K500 Voice Amplifier Abs Led Megaphone Speaker Lightweight Compatible Loudspeaker 5w Mini Description: Description: Collects only the voice from your mouth without picking up any background sound. Wired microphone guarantees output more stably than wireless ones. Less buttons, easy to operate, this regular voice amplifier can meet most needs Really suitable guides, teachers, supermarket promotion Mini size design, portable and fashion. Specifications: Specification: Color: rose gold, red, black, purple, blue Material:ABS Size: about 85 x 39 x 117 mm Wattage: 5W Resolution: 80dB Working voltage: DC 3.7V Charging voltage: DC 5.0V Charging time: about 4 H Working time: about 6 H Battery: 2200mAH battery (built in) Display screen: LED Audio format: MP3/WMA/WAV Working temperature: -5-40 Expansion memory card: MAX 32GB (not included) Package Included: 1pc x loudspeaker 1pc x battery 1pc x manual 1pc x data cable 1pc x belt 1pc x Wired headset microphone Notes: Note: Please allow 0-1 cm error due to manual measurement. please make sure you do not mind before you bid. Due to the difference between different monitors, the picture may not reflect the actual color of the item.