5,000 mAh, external auxiliary battery in nature line, with shell in bamboo, from natural cut bamboo pieces. USB output and type-c input -cable included.Wide printing area and in compliance with the following safety requirements: Power bank overcharge protection system. Complete discharge protection system, which increases the durability of the power bank. Blocking system to prevent short circuits. If there is any idea of customization, please do not hesitate to contact us! Measuring 4.6 * 2.76 * 0.53 inches, this custom bamboo 5000mah type-c power bank. Usage Scenarios: Office supplies, school stationery, corporate promotions, trade show giveaways. Customization: Logo printing available with multiple packaging and color options. Product Highlights: Compact size, lightweight, easy to carry.