1. For Sense&Versa 3 Charger: Only compatible with Sense and Versa 3 watches, magnetic design, can charge your smartwatch. 2. Easy to upgrade: The charging head uses magnetic attraction technology, which automatically and accurately adsorbs when close to the back 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 charging cable is made of ABS, which can be used for a long time. It can be put in a backpack and can be used on computers and laptops with USB. 5. USB interface design, convenient and fast charging, no cables required. Product name: watch charger Input current: 5V/A (max) Output current: 5V 5W (max) Compatibility: Supports charging Versa 3/ Sense watch Product net weight: 13g Colour: black Material: ABS Size: 55 x 40 x 115mm Package Contents: 1 * Watch Charger 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.