The CW56 is a portable, magnetic wireless charger for Sam watches 1–5. 1. Input: 5V/1A, 1 × Type-C. 2. Output: The Sam smart watch 1-5 has a 2.5W wireless output. 3. Composition: PC + aluminum alloy. Dimensions: 33 x 33 x 9 mm. 5. 19g in weight