Longruner Voice Amplifier is a high quality product which provide a good sound and protect your throat easily, you can use it indoor or outdoor, such as teaching, tour guide, gym director and so on. Specifications: Product Model: C2 Size: 140*92.5*48mm Weight: 300g Action temperature: -10℃～45℃ Frequency response: 120Hz-20KHz Rated power: 5W Operation voltage: 4.2V Charging voltage: 5V Package Content: 1 x Digital loudspeaker 1 x Head wearing a microphone 1 x Hanging belt 1 x audio line 1 x charging line 1 x manual 1 x remote control Warm Tips: 1. Don't put the voice amplifier with headset microphone too close otherwise it will have a sharp noise 2. Before you use, please turn down the voice volume and then adjust the volume according your need.

• Contains FM radio chip, support TF card expansion, can use as a external power sources for computer, phone, tablet, PSP, etc.
• Adopt 5W total acoustic drivers, SRS, WOW, and HD audio technology audio spectrum.
• High quality speaker inside could provide strong bass without distortion even at highest volume.
• Contains 2000mAh high capacity rechargeable battery, can support 5~20 playing hours, or 70 playing hours by headphones play (in fully charged state).
• Miroad C2 Loudspeaker, compact and portable, it contains a remote control chip, more convenient for sing and dance, makes your life more relax.

Contains FM radio chip, support TF card expansion, can use as a external power sources for computer, phone, tablet, PSP, etc.Longruner