Feature: 1. SUPERIOR DSP CHIP: The unit utilizes the TEF6686HN superior DSP chip to ensure excellent performance and signal processing capabilities. Provides superior sound output. 2. EASY TO OPERATE: The VOL knob allows you to turn on the machine and adjust the volume by rotating it to the right. It also features a maximum sound setting.The SQ knob lets you adjust the signal threshold for automatic muting when switching channels.The TUNE knob is used to adjust the frequency and other parameters by rotating or pressing down. 3. ENHANCED RECEPTION: Contact between the intercom and the human body enhances the received signal strength. In addition, plugging in a headset improves signal reception and ensures a clear, uninterrupted listening experience. 4. LCD DISPLAY AND SOUND PLAYBACK: The unit features a 3.2 inch LCD display for a clear and detailed view of radio settings and information. It also features built in speakers for easy sound playback. 5. CONVENIENT ACCESSORIES: The accessory pack includes a USB TYPE C charging cable and a 75cm pole antenna. The charging cable allows you to easily charge your device, while the pole antenna provides added convenience during use. Specification: Item Type: TEF86 DSP Digital Radio Material: Aluminum Alloy, LCD Model: TEF86 Screen Size: 3.2 Inch LCD Display Dsp Chip: TEF6686HN Frequency Range: FM (65-108MHz), SW MW LW (144-27000KHz) Charging Port: Type C Speaker: Built In Pole Antenna Length: Approx. 75cm/29.5in Battery Type: 3500mah Lithium Ion Battery (Built In). Package List: 1 x Radio1 x Antenna1 x Type C Cable Note: Manual measurement please allow some error.