Features 1.APPLICABLE MODELS: Charging case is compatible with for galaxy buds 2 SM R177 bluetooth wireless earbuds (charging case only, earbuds not included). 2.MULTIFUNCTIONAL: The charger case features a Bluetooth pairing sync button and quick pairing mode. It not only charges your earbuds, but also pairs your earbuds with your phone. 3.LARGE CAPACITY: This charging case has a built in 450mAh capacity, which can fully charge your earbuds about 3 times. You can carry it very conveniently and charge your headphones at home, office, car or while traveling. 4.CHARGING PROTECTION: The charging case has a safe and protected 2 way input, the charging case is wired for charging via USB C with overcharge, overcurrent and discharge protection, all round protection for your earbuds. 5.PERFECT REPLACEMENT: the charging case is made of premium ABS material, durable and lightweight, a good choice for replacing lost or damaged charging case. specificationItem Type: Earbuds Charging Case Material: ABS Color: White Battery Type: Built in 450mAh Lithium Ion Battery (included) Charging Port: USB C Applicable Models: for Galaxy Buds 2 SM R177 PackageList 1 x Earbuds Charging Case 1 x Charging Cable