The ideal add-on for your Huawei smartwatch is the HUAWEI Watch Band 7. It has a secure clasp for a snug fit and a lightweight, comfortable silicone construction with breathable holes to keep you cool. The Huawei Watch Band 7 offers durability and adaptability. ROM: --- 1GB of RAM Display size: 1.47 in. SIZE: --- Li-Ion 180 mAh non-removable battery