1. For Promicro NRF52840 Development Board Module Compatible with nice nano V2.0 with Blue Module 2. Made Of High Quality Material, And Wear-Resistant 3. Nice Replacement For Broken Or Old One, Make You Device Work Properly 4. High Quality For Professional Use 5. Need A Professional To Install The Corresponding Accessories To Avoid Damage To The Accessories Type:For Promicro NRF52840 Development Board Module Note:Different Batches May Have Differences In Product Appearance, Color, And Printed Characters, Which Will Not Affect The Use. Colour:As Shown Material:PCB Package Contents: 1 * Development Board Module 2 * Long Pin Row 1 * Short Pin Row 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.