SAFEWATTS" AC Adapter Charger for Logitech Bluetooth Wireless Speaker 984-000181, Rechargeable Speaker S715i, Pure-Fi Anywhere - 12V 2A Input: AC100-240V (worldwide use) - Output: 12V 2A - 24W Replacement for Logitech S715i AC Adapter 993-000474, S024EU120020 Outlet: 2 Prong US type Plug, Cord Lenght: 6-foot., Efficency CEC Leve 6 /VI. Protection: Short circuit protection Over Voltage Protection Over Current Protection