Rolton K600 7.4V Bluetooth Wireless Audio Speaker Megaphone Voice Amplifier With Transmitter(Green) Xiaomi After a multi-layer blue film

After a multi-layer blue film electroplating process

It can be maintained at any position and angle you want

Working voltage: 3V

protects the pen and its accessories

Rolton K600 7.4V Bluetooth Wireless Audio Speaker Megaphone Voice Amplifier With Transmitter(Green) Xiaomi After a multi-layer blue film1. K600 wireless version of the amplifier, no button, can not insert the card, can not be inserted into the U disk playback, only the amplifier function 2. The wireless function of the machine is achieved through the transmitter, the transmitter frequency is 92, the loudspeaker switch to FM mode, the transmitter is automatically paired successfully after the power on. 3. Easy to wear, can be buckled in the belt or pants on the edge of the belt can