Size:15# Range:10 Metres Features:Ergonomic tech_spec_battery_description_toys:Lithium Package Dimensions:9 x 9 x 4 cm Size Name: 15# Promotions can vary depending on size name. About this item Easy To Use: It can be paired and connected via on your phone. The ring has a service life of up to 12 hours and a standby time of 8 days. When there is no power, just use our magnetic charging cable to plug it into the mobile phone charger and charge it for 1.5 hours. Stainless Steel Material: remote control page turner is made of stainless steel, small and exquisite. With touch buttons and LED indicators, it has a sense of fashion and technology. 10M Remote Control: You can use it to watch videos, or take pictures and play music, turn page, just within a distance of 10 meters. Remote Control Page Turner: You don't need to constantly slide the screen up, down with finger when watching short videos or reading novels. Leaves your hands free. Support for mainstream APP. Make You Relax: Just click the up and down keys on the ring to change your sliding video, reading page flip and music switch. Make you more relaxed and enjoy when entertaining. Easy To Use: It can be paired and connected via on your phone. The ring has a service life of up to 12 hours and a standby time of 8 days. When there is no power, just use our magnetic charging cable to plug it into the mobile phone charger and charge it for 1.5 hours. Stainless Steel Material: remote control page turner is made of stainless steel, small and exquisite. With touch buttons and LED indicators, it has a sense of fashion and technology. 10M Remote Control: You can use it to watch videos, or take pictures and play music, turn page, just within a distance of 10 meters. Remote Control Page Turner: You don't need to constantly slide the screen up, down with finger when watching short videos or reading novels. Leaves your hands free. Support for mainstream APP. Make You Relax: Just click the up and down keys on the ring to change your sliding video, reading page flip and music switch. Make you more relaxed and enjoy when entertaining.