[Wide Compatibility]Compatible with charge 4, charge 4 SE, charge 3, charge 3 SE Fitness Tracker [ & Premium Quality]Designed with finely crafted aluminum alloy and first-class scratch proof. This aluminum alloy charger holder is much sturdier than the plastic charger, anti-slip pad on the bottom ensures strong grip. Adopted tight connection design that is rare on the market, which helps keep the charger in place for a reliable charging, Curved shape provides high back support to your smart watch in more convenient way [Fast Charge, Stable Performance]You can connect with the power adapter, car adapter, power bank, laptop and so on, those charging can provide high efficiency and high stability charging experience . Also provides fast and stable charging speed [Safe Charging]This Charging Cable has Voltage Regulator and PTC Inside to protect your Device being damaged by overcurrent when connected to power source. Made of over-voltage and over-current protection, they will protect your watch from being damaged when charging [Compact & ]It is easy to carry when you go out. Compact and design is convenient for travelers and business users. colour: gray Material: aluminum alloy Package Contents: 2 x Charger Dock(without watch) Only the above package content, other products are not included. Note: Light and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.