【Stable and Long Distance Connection】: The wireless remote page turner with Bluetooth V4.0 named ZL-03, easily connects with Smartphones,iPad within 33 feet (10 Meters), is Compatible with all iOS Android, and Harmony devices. | 【Main Features】: 1. The TIK Tok Scrolling Ring is easy to give likes, play and pause videos, page up and down or turn right and left. 2. The Camera Remote Control Can be used to take selfies photos and videos. 3. The E-book Page tuner can page up and down or right and left, which makes your reading and studying easier.Note: This Remote Control works with Kindle APP NOT Compatible with Kindle machine.. | 【Use Precautions】: 1. In order to use the remote control, please open Settings>Accessibility>touch>turn on Assistive touch before they can be used normally. 2. You need to make sure the iOS software is above V15.0 and Andriod is above 8.0. 3. Please restart the phone if it still doesn't work. | 【Working Time】: Please fully charge it before your first useing.1.It has an embedded battery capacity of 25mAh, the working time is over 48h and standby is more than 4 months when fully charged. 2. If the red light is always on means low power, please charge it; the red light will turn off when fully charged.3.The controller will turn off automatically IF a)no operation for more than 10 minutes,b)if the phone cut down the Bluetooth connection,c)Bluetooth has no connection over than 90s. | 【What Will You Get】: 1 * Remote Control Ring, 1 * charging cable, 1 * User Manual.The remote controller page turner is backed by 1 year warranty and lifetime customer service support including quality and functioning issues. And you may send questions whenever you need help.