For indoor and outdoor use; durable and waterproof casing; lithium-ion battery, 2200 mAh, 10 W RMS; Bluetooth 4.2; PLL FM receiver with memory for 20 radio transmitters; up to 10 hours Operating time - No decoration - Automatic charging of the battery when using the power adapter AUX-In connection Easy music transfer from your phone or tablet Built-in smartphone protection compartment The Bluetooth word mark and logos are registered trademarks of Bluetooth SIG Inc. and are used by Maginon under license. Other trademarks and brand names are the property of their respective owners. Maginon BR-10