Portable Charging Convenience: Lightweight ABS Plastic body with a USB universal charging interface ensures easy access to power sources at home, in the car, or outdoors. Keep your devices fully charged for uninterrupted fishing adventures. Universal Hook Compatibility: Compatible with almost all everyday and competition fishing hooks, this Automatic Hook Tying Device streamlines knotting processes, saving you valuable time on the water. Enjoy hassle-free hook tying with precision and efficiency. Ergonomic Design Excellence: Designed for comfort and ease of use, this hook knotter features ergonomic design points that enhance handling and reduce strain during prolonged fishing process. Experience seamless operation and improved knotting accuracy. On-the-Go Essential: Compact and portable, this hook tying device is a must-have accessory for fishing enthusiasts who value convenience and efficiency. Carry it effortlessly wherever your fishing expeditions take you, ensuring you're always prepared for perfect knots. Versatile Fishing Companion: Whether you're a seasoned angler or a beginner, this hook tying tool offers practicality and reliability in various fishing scenarios. Enhance your fishing experience with this versatile device that simplifies hook tying tasks. Description: Introducing the innovative hook tying device, a must-have for fishing enthusiasts. This device features a lightweight and portable design, making it convenient for use at home, in the car, or outdoors. With a USB universal charging interface, you can easily keep it charged for your next fishing trip. Compatible with almost all hooks, including everyday and competition fishing hooks, this automatic hook knotter saves you valuable knotting time. The ergonomic design ensures comfortable use, while its compact size makes it easy to carry anywhere. Upgrade your fishing experience with this essential tool. Item Name: Hook Tying Device Material: ABS Plastic Battery: Blue: Battery: Built-in 300mAh Rechargeable Battery(Included) White: 2 AA Batteries (Not Included) Applicable Hook Shape: 0.1/0.2/0.3/0.4/0.5/0.8/1.0/1.2/1.5/2.0/2.5/3.0/3.5/4.0 Features: Portable, Lightweight, Fishing Accessories Size Details: Blue, L: 9.5cm/3.74", W: 8.6cm/3.39", H: 1.8cm/0.71" (Approx.) White, L: 11.7cm/4.61", W: 8.8cm/3.46", H: 1.8cm/0.71" (Approx.) Notes: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement. Package Includes: Blue: 1 x Hook Tying Device 1 x Charging Cable 1 x Storage Box or White: 1 x Hook Tying Device 1 x Storage Box