Features: brand new and high quality Can charge with strap on. You don'for t need to take off the watch strap to charge with this charger dock, convenient to use. Durable Aluminum Material, this charger stand is made of premium Aluminum alloy. It provides stable performance and reaches long service life. It is easy to carry when you go out. Compact and lightweight design is convenient for travelers and business users. Safe charging. This charger stand is made by undergoing hundreds of tests to provide stable and fast charging .This charging dock will protect your watch from being damaged by over-voltage and over-current during charging. This charging cable hasvoltage regulator inside to protect your device being damaged by overcurrent when connected to power source. Made of over-voltage and over-current for protection, they will protect your watch from being damaged when charging. Specifications: Material:Aluminum Alloy Size:Approx.9.1x5.1x10.2cm/3.58x2x4.01inches Color:Gray/Silver for Fitbit-Charge4/Fitbit-Charge4 SE/Fitbit-Charge3/Fitbit-Charge3E Package Includes: 1x Charger Stand note: 1.Please allow 1-2cm errors due to manual measurement, make sure that you do not mind before you order. 2.Due to the difference between different monitors, the picture may not reflect the actual color of the item.