Labymos Guitar Amplifier - Mini Portable Headphone

Specifications: Brand: Model: F1R AUX Jack: 3.5mm Headphone Jack: 3.5mm Power: 2 * AAA Batteries(not included) Item Size: 8.8 * 8 * 2.3cm/ 3.5 * 3.1 * 0.9in Item Weight: 45g/ 1.6oz Package Size: 10 * 8 * 5.5cm/ 3.9 * 3.1 * 2.2in Package Weight: 60g/ 2.1oz Note: Only the headphone amp is included. Packing List: 1 * Headphone Amp 1 * Users Manual(English & Chinese)