Rollable keyboard Foldable keyboard wireless keyboard

*Wireless Solution:Broadcom V3.0

*Bluetooth Profiles:HID

*Operating Range:about 10M

*Frequency range:2402~2480MHz

*Operating temperature:10℃ to 40℃

*Dimensions:252x46.8x28.8mm

*Weight:196g

*Power:1AAA Battery

*Working voltage:1.5V

*Low voltage alarm:≤1.1V

*Working current:2.5mA

*Working time:288 Hours

*Multi-device: pair up to 3 devices

*Auto On/Off- unroll/roll up keyboard

*Material:Plastic