The Rollme Hero D6 smartwatch features a 2.13-inch AMOLED display with a resolution of 410 x 502 pixels. The device is powered by the ATS3085S processor and includes a VC30F sensor for heart rate monitoring. The battery capacity is 850 mAh, supporting magnetic charging.

A key feature of the watch is its offline navigation system, which utilizes dual-band Multi-GNSS to track location without a smartphone or internet connection. Users can pre-load maps into the device memory. Additional navigation tools include an electronic compass, a barometer, and an altimeter.

The watch is built using dual-component injection molding with TPU and polycarbonate, achieving a 5 ATM water resistance rating. It supports over 170 sports modes and continuous health monitoring. Connectivity is provided via Bluetooth 5.3 BLE, and the device includes a waterproof speaker for calls and audio playback.