Rolton K400 Mini Audio Speaker Megaphone Voice Amplifier Support FM Radio TF MP3, K4001. Light to 133 grams, easy to wear, lecture not tired 2. Using 13 core Rutilon speaker, with excellent sound quality, loud volume does not break the sound and not harsh 3. Using digital efficacy system, low distortion, high clarity 4. Noise reduction microphone noise reduction speaker, no whistling, so that the sound is more dynamic 5. Support insert TF card U disk, can be used while charging Parameters: 1. Material: ABS 2. Rated power: 5W 3. Input

- Earphones x 2

Retractable cord for easy portability

Excellent load-bearing: three-point screws firmly fix the mounting base

smartphones(OTG)

Waterproof: No

This adapter can directly output video to HDTV

Virtual Screen 80 inch

Other diameters need to be equipped with an adapter ring

no delay in game

Size: 125x61x42mm

Package Include Package Contents Microphone x 1

One Adapter Two Use：2-in-1 Ethernet Adapter converts from USB-C to USB-A so you always have the right connection (USB 3