I recently bought PXC 550 ii, this is the second time I charge it, it's been more than three hours already and the third led is still blinking (internet says full charge
Sennheiser PXC 550 Wireless review: Say no to noise, say yes to music | Expert Reviews
Review: Sennheiser's PXC 550 Wireless Headphones Should Put Bose on Notice - MacRumors