The Sandberg 421-04 tabletop radio is an analogue AM/FM receiver with a built-in speaker. It combines a radio, power bank, LED flashlight and reading light, and can be charged via USB-C, using the built-in solar panel or with the hand crank.

The power bank has a capacity of 7.4 Wh, a USB-A output of 5 V/2 A and a USB-C input of 5 V/2 A. Radio reception covers AM 520–1710 KHz and FM 87.0–180.0 MHz, with up to 20 hours of playback in radio mode. The LED flashlight has a power output of 1.5 W, the polycrystalline solar panel delivers 5 V and 95 mA, the hand crank delivers 5 V and 380 mA, and the speaker has a maximum output of 3 W.

• Radio type: Tabletop
• Receiver type: Analogue
• Radio bands: AM, FM
• AM range: 520–1710 KHz
• FM range: 87.0–180.0 MHz
• Speakers: Built-in
• Maximum speaker output: 3 W
• Power bank capacity: 7.4 Wh
• USB-A output: 5 V/2 A
• USB-C input: 5 V/2 A
• Charging: USB-C, solar panel, hand crank
• Solar panel type: Polycrystalline
• Solar panel output: 5 V, 95 mA
• LED flashlight power: 1.5 W
• Hand crank output: 5 V, 380 mA
• Lighting: LED flashlight, reading light
• Radio playback time: Up to 20 hours
• Colour: Black