Features: 【Intelligent Control Experience】Compatibles for D3 Radio 4th gen Bluetooth-compatible device, effortlessly remote-control music playback. 【Broad Compatibility Design】Compatible with multiple device models, ensuring users need not frequently replace remote controls. 【Durable Plastic Construction】Crafted from highly quality plastic for excellent tactiled feel and abrasion resistance. 【Convenient Battery Replacement】Features easy fit design allowing tool less battery changes for quick and easy maintenance. 【Intuitived Button Layout】Ergonomically designed buttons ensuring straightforward and intuitived operating. Specifications: Component： plastic Size: 10x6cm/3.94x2.36in Standard handheld size, easy to hold and operate Suitable for D3 4th generation bluetooth-compatible Radio device Technical parameters: Supports multi-function button layout, strong compatibility, adopts the recent bluetooth-compatible device technology, and possesses stable transmission over lengthy distance Package Includes: 1PC Remote note: Please allow 1-2cm errors due to manual measurement. Please allow for slight color differences due to different display resolution.