OptiMate™ Dual USB Low Profile ChargerBuilt in protection turns off USB charging and prevents your parked vehicle's LFP (LiFePO4) or AGM (Pb) battery from draining - starts back up when vehicle engine fires upCreates weatherproof seal against inserted USB cable, or 'rideproof' cap protects USB port not in use - worry free phone, camera or GPS charging in any weatherCharges 2x USB devices with up to 3300mA current available to share - charge current adapts to each connected device for safe rechargingThe portable 3300mA dual USB charger, with 90° elbow BIKE plug connector that fits your BMW and Triumph motorcycleConnects to 12 mm DIN/BIKE 12V socket found on BMW and Triumph motorcycles