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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 Review. Best Wireless Noise-Cancelling Headphones? – Headphones.com
audio devices: Sennheiser PXC 550-II: Impressive battery and good ANC - The Economic Times
Sennheiser PXC 550 Wireless , 30 hours of battery life - buy Sennheiser PXC 550 Wireless , 30 hours of battery life: prices, reviews | Zoodmall