6-12 HOURS OF CONTINUOUS WORKING TIME: This Bluetooth speaker is equipped with a 1200 mAh battery that can continue to work for 6-12 hours depending on the volume of your playback. Ideal Gift Choice: The creative and practical phone stand with Bluetooth speaker is undoubtedly the ideal gift for family or friends for Christmas, birthday. Wide Compatibility: This cell phone stand is suitable for most 4-13 inch smartphone tablets and e-readers such as iPhone, iPad, e-reader, Switch, etc. Adjustable Stand Angle: The cell phone stand can be adjusted from multiple angles to meet your viewing needs from different angles. And its non-slip rubber pad prevents your device from accidentally slipping. Stand with Bluetooth Speaker: This stand has built-in 5.0 Bluetooth version, which can easily connect your phone/tablet to play music/video, it is the best choice for you to free your hands while watching videos from your phone.