1. Compact Bluetooth Digital Speaker with Compective price 2. CE/FCC/ROHS passed 3. metallic surface treatment Version 2.1+EDR Bluetooth Speakers with various coloursSupport for Bluetooth stereo, input Line IN, 10m Control Range Extendable bass tube for deeper and stronger sound Works with iPod, iPhone, mobile phones, computersThrough UART standard to control volume and for the P/N songs choose, ...