R9 Portable RGB Light Smart Bluetooth Speaker Magnetic Phone Holder Wireless Charger 1. Lightweight and stylish. It looks good and works well: The size is small, but the sound effect is shocking. 2. 3-5 hours of Battery Life, Play While Charging: Small size, but large battery capacity and easy to play for 3 to 5 hours. 3. Double-click the button of one of them to realize the series connection between the two sets, which can make the sound more stereoscopic. 4. Three Functions in One: Magnetic Speaker +Wireless Charger + Phone Holder. Adsorbed on the back of the phone, it can be used as a mobile phone bracket while charging and you can enjoy watching videos more conviently. 5. High Definition Sound Quality and Hardcore Strength: 40mm high sensitivity full frequency unit, clearly displaying sound details. 6. Specification: Speaker unit: 40mm dynamic coil Speaker power: 3W Bluetooth distance: about 10m Battery life: 3-5h Rated input: 9V 2A Size: 4.05x6.1cm Weight: about 86g