1. for Sense&Versa 3 Charger: Only compatible with Fitbit Sense and Versa 3 watches, magnetic design, can charge your smart watch2. Easy to upgrade: The charging head adopts magnetic attraction technology, which will automatically and accurately adsorb when it is close to the back cover of the watch.3. Safe and fast charging: This charger has a built-in voltage sensor, which can provide stable and safe charging for the watch and prevent the watch from overcharging. It takes 90 minutes to fully charge, stable charging and longer battery life.4. High quality and durability: The charger cable is made of ABS, which can ensure long-term use. It can be put in a backpack and can be used on PC, Mac and laptops with USB.5.USB interface design, convenient and fast charging, no wires requiredProduct name: watch chargerInput current: 5V/A(max)Output current: 5V 5W (max)Compatibility: Support fitbit versa 3/ sense watch chargingProduct net weight: 13gColour:black / whiteMaterial:ABSSize:55 x 40 x 115mmPackage Contents:1 * Watch ChargerOnly the above package content, other products are not included.Note: Light shooting 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.