Details: Material: ABS Color: black Size: 57 * 3 cm Battery: 2 AAA batteries (not included) Weight: 55g Package including: 1 * Light Hands-free book light - The design of the neck reading light makes your hands completely free without any pressure on the neck. Wear it around your neck to free your hands, extremely comfortable and practical. With the flexible arm, you can choose the best lighting angle in different environments and easily achieve the perfect brightness for you. Partner-friendly - This LED neck reading light is bright enough for you Area where you placed it and at the same time dark enough not to disturb your fast-sleeping partner. Perfect for indoors or outdoors, such as reading, jogging at night, etc. r can drive you away.