NEW: USB port for two-way mobile charging (includes USB cord). NEW: 4 LED battery level indicator. Full charge in as little as 2 hours via USB; lasts up to 50 hours.
Top-up charge a smartphone 30-50% in 2-3 hours. Up to 150 lumens. 4 modes: low, medium, high, 1-sec flashing.
Press & hold power button for 3 seconds to shut off. Dual straps (1 adjustable). Waterproof: IP67 rating.
Overcharge and over-discharge protection. Overcurrent and short circuit protection. Clear Finish.
Diameter: 12.7 cm / 5 in.. Height: 10.2 cm / 4.25 in. inflated; 3.8 cm / 1.5 in. collapsed. Weight: 5.5 oz. / 156 g.