The HUAWEI Band 3 Pro is a smart band featuring fitness tracking and interchangeable bands. It has GPS, so you can track your marathon pace, logs, GPS data, etc. A benefit is its small size. - Brand: HUAWEI - Model Name: Band 3 Pro - Included: Replacement band (black) - Included: Charging dock Specs https://consumer.huawei.com/jp/wearables/band3-pro/specs/ App https://consumer.huawei.com/jp/mobileservices/health/ Thank you for viewing.