Adopting a bar-type design, this tough, rugged mobile phone is waterproof and can withstand dusty environments, making it suitable for outdoor use. It is in a structure that allows easy disassembly and assembly in consideration of maintenance, while adopting a stylish design. The hanger hole on the top and the provided accessory (carabiner) can be used to attach the product to a bag or clothing. The external design is mainly based on the design line of the top hanger. Urethane paint was applied to the product’s outermost layer. The ergonomic design is highly resistant to abrasion and is optimal for a firm, comfortable grip.