ขาย ✈ Rolton K100 portable loud speaker mini voice amplifier microphone, with USB, can insert TF card, used for teacher tour ราคาที่ดีที่สุด

Package Included: 1*Amplifier 1*Headphones 1*Rechargeable battery 1*Data cable 1*Belt 1*Instruction manual Specifications: Basic function: music playback/speaking Material technology: ABS plastic Rated power: 5W Input power: power adapter/USB power supply/lithium battery 80dB separation Distortion: 1% (3.7V, 1KHz, 1W) Signal to noise ratio: 83dB Working voltage: DC3.7V Charging voltage: DC5.0V Lithium battery capacity: 1500mHA (external) Speaker: 2.5 inch x1 Audio format: MP3/WAV Firmware upgrade: none Machine size: ≈85mm x 38mmx 93mm (WxDxH) Working temperature: -5° ~40° Machine net weight: ≈210g (including lithium battery) Description: 1. With a high volume of 5w, you can easily control the audience and protect your voice 2. The quality of the original sound, using frequency shift noise reduction adaptive technology, high fidelity, low noise, even at high power output, it will not produce obvious distortion 3. Rechargeable lithium battery 1500mah, the best battery life，The microphone amplification function is used for more than 6-10 hours. 4. With the original headset, you can carefully adjust the matching parameters for you. Amplification is more relaxed, and it is comfortable to wear and not easy to fall off 5. Lightweight and convenient-hand-held, the same size we are lighter and louder, can be easily put in the bag and carried Place of use： Teacher teaching Company meeting Guide commentary Dancing practice Notes: Due to the difference between different monitors, the pictures may not reflect the actual color of the item. Compare the detail sizes with yours, please allow 1-3cm error, due to manual measurement. Please leaving a message before you give the bad feedback, if the products have some problems. Thanks for your understandings.