Powerful Function Integration: The core selling point of the PortaPack H4 lies in its successful integration of the powerful features of Software Defined Radio (SDR) and the openness of geek culture into an extremely portable, ready-to-use, and cost-effective handheld device, revolutionizing the way we explore and interact with the world of radio. 3.2-inch frosted LED touchscreen with a ly upgraded rotary button; the high-brightness LED screen and ly upgraded directional keys, 360-degree rotating wheel, and selection keys make operation smoother and more convenient. Equipped with a 2000mAh rechargeable battery, advanced management IC, and status display, this device enhances battery safety and provides real-time battery status monitoring, ensuring safer use and offering up to ≥2 hours of continuous use under slower conditions. It's a palm-sized integrated device. It includes a screen, battery, control buttons, microphone, SD card slot, and antenna. You can use it anytime, anywhere-in the field, in a car, or on a rooftop. Display: 3.2-inch 240x320 matte LCD touchscreen Controls: Direction keys, 360-degree rotating scroll wheel (flat design), selection keys Audio: Built-in speaker, 3.5mm headphone/microphone jack, built-in microphone with toggle switch Storage: MicroSD card slot for data import/export Battery: 2000 mAh rechargeable battery with advanced management I/O and status display Casing: Acrylic casing Power: Single power switch, USB-C Port charging Connectivity: GPIO port for custom expansion Color: Black Material: plastic Package Contents: 1 * Portapack H4 Wireless Transceiver Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.