Specifications: Product material: stainless steel Product weight: about 41g Applicable products: For xiaomi mi band 6/5/4/3 Suitable for wrist size range: 165mm—210mm Tips: This product has only frame + strap, does not contain the watch body.The strap does not fit Amazfit band 5 Package Included: 1*For Mi Band 6/5/4/3 Strap 1* Adjustment Tool