1. 2.4G gyroscope fly air mouse with nano usb receiver, the effective distance is 10m. 2. Dual mode: Photoelectric mouse and fly air mouse. 3. Press the storage button to open the battery compartment. Spec: Features: 1. 2.4G gyroscope fly air mouse with nano usb receiver, the effective distance is 10m. 2. Dual mode: Photoelectric mouse and fly air mouse. 3. Press the storage button to open the battery compartment. 4. The NANO receiver is housed in the battery compartment. 5. Available in a variety of colors, with a variety of features. Specification: Material: ABS Color: White+Blue, Blue+Black, Red+Black (optional) 3-Gear DPI Adjustment: 800/1200/1600dpi Switch Life: 500,000 times Power Consumption: 3.0V 10mA R F frequency: 2.402GHZ-2.4080GHZ Battery: 2*AAA (continuous use for 3 months) (not include) Applications: PC, Smart TV, Set Top Box, etc. Size: Approx. 11 * 5.5 * 3.8 CM/ 4.3 * 2.2 * 1.5 IN Weight: 55 g Package list: 1 * USB Receiver 1 * Mouse 1 * Instructions in Chinese and English See moreSatisfaction Guarantee: We offer a satisfaction guarantee. If you’re not completely satisfied with our heated hand warmer, please contact us for a replacement or refund. Large Capacity Hand Warmers Rechargeable: This hand warmer features a reusable 10000mAh capacity battery, providing long-lasting warmth. The eco-friendly lithium battery ensures safe use, and the high-tech aircraft-grade aluminum and ABS material construction makes it shockproof, anti-scald, anti-skid, and explosion-proof. Portable & Convenient: With its 3-in-1 design combining hand warmer and flashlight functions, this device is perfect for various situations. Whether you’re in a chilly office, classroom, or engaging in outdoor activities like camping or hiking, this palm-sized hand warmer can be easily placed in your pocket or briefcase for on-the-go comfort. Double-side Quick Heating: Unlike traditional hand warmers, this rechargeable device features double-side heating technology. Made of high-tech aircraft-grade aluminum and thousands of polished exterior materials, it can quickly heat up in just 3 seconds, providing warmth throughout the winter season. Perfect Winter Gift: This hand warmer is an excellent gift choice for your loved ones, especially those suffering from arthritis, skin cracking, frostbite, or women experiencing menstruation discomfort. It is also perfect for sports enthusiasts engaging in outdoor activities like fishing, hiking, skiing, hunting, climbing, running, and more.