Sennheiser Charging Case for CX 400BT True Wireless In-Ear Headphones (Black)

Recharge your headphones with this Charging Case for CX 400BT True Wireless In-Ear Headphones from Sennheiser. Whether you want an extra case for the office, or if you're replacing a missing/broken case, this charging case provides up to 13 hours of power to your CX 400BT earphones via its 420mAh battery. This case fully recharges the headphones in only 1.5 hours. It also provides quick charging if needed, giving you up to 1 hour of power in just 10 minutes, or up to 5 hours of power with just 1 hour of charging.