Description:   With mini size and exquisite body, the nut 2  smart tracker protects your belongings from losing or helps you find objects or persons easily, safe and convenient.     Specifications: Brand: nut2 Model: F5D Product: nut2 Smart Tracker Material: Plastic Color: White, Orange, Green (optional) Battery: 220mAh Compatible System: Support the BT 4.0 and Android system version 4.3 and above. Product size: Approx. 3.6* 3.6 * 0.58cm / 0.85 * 0.24 * 0.08in Product weight: Approx. 10g/0.18oz Package size: Approx. 7.0 * 6.7 * 2.0 cm / 2.76 * 2.56 x 0.85 Package weight: Approx. 26g/0.88oz Note: 1. Please read the user manual carefully before using first, and then install the APP. 2. The using range depends on the BT signal.The distance can be as far as 30-50 meters with few blocks, about 10-30 meters when the walls or people are around you.(The data is different due to the different using circumstance)) 3. Item color may show slight aberration due to different shooting light and monitor display. 4. The battery using life depends on actual usage. Package list: 1 * nut 2 Smart Tracker 1 * Button Battery 1 * Lanyard 1 * User Manual