Quantity: 1 - Color: Black - Material: Plastic - Application: Universal for laptops - Connectivity: 2.4GHz - Operating Distance: Up to 10 meters - Transmitting Power: Max +4dBm - Working Voltage: 3.3V - Working Current: - Charging Current: - Charger Voltage: 4.2V~5.05V - Sleep Current: - Standby Time: 500~700 hours - Working temperature: -10~+55'C - Battery: Built-in lithium ion polymer rechargeable battery (included) - Features: - Backlit function with a handheld keypad - Wirelessly control your laptop - The mini receiver can store in the battery compartment as not using - Packing List: - 1 x Mini wireless keyboard - 1 x USB cable (60cm) - 1 x Lithium battery - 1 x English user manual - 1 x USB receiver