Revised PhotoTrackr Plus works with Nikon D90, D3100, D5000 and D7000 | Engadget
Nikon D3100/D3500 Digital SLR Camera with 18:55mm VR Lens & Sandisk 64GB Starter Kit - Walmart.com
Interface GPS Bluetooth pour D3100, 5000 & 7000 • Revuephoto
Nikon D3100 (AF-S 18 - 55 mm f/3.5-5.6 VR Kit and AF-S DX VR 55-200 mm f/4-5.6G IF ED) Digital SLR Camera: Price, Full Specifications & Features (17th Apr 2023) at Gadgets Now