Welcome to our store! This battery charger is an excellent replacement charger for Olympus cameras. It is compatible with Olympus BLS1/BLS5/BLS50 batteries. The charger is designed with a smart circuit that has automatic current control to protect the battery from overcharging, short circuits, and electric shocks. This USB charger can be used with a power adapter, such as a phone charger adapter, Pad charger adapter, or mobile power banks. It can also work with other USB outlets, such as a car adapter, laptop, computer, and such DC 5V USB outlets. The charger has an input voltage of DC 5V ± 5%, an output voltage of DC 4.2V ± 5%, and an output current of DC 500mAh. It is compact in size, measuring 8.4 x 4.7 x 1.9 cm / 3.31 x 1.85 x 0.75 inches and weighing 45 g. In the package, you will receive 1 charger for Olympus BLS1/BLS5/BLS50 and 1 micro USB cable. Please note that the color of the charger may be black. We want to ensure 100% satisfaction for our customers. If you find any product problems after receiving the item, such as damage and incorrect quantity of goods, please contact the seller immediately. We will do our best to provide you with satisfactory customer service. Do not open the charger for maintenance and do not immerse it in water. We recommend that the charger be used in a dry place. Also, only use batteries that are compatible with the charger. Thank you for choosing our product. If you have any further questions, please feel free to contact us.