Pure Acoustics HipBox-mini Wireless Portable Bluetooth Companion Speaker with Aux + FM Radio and Phone Call Handling - Black BLUETOOTH CONNECTIVITY: using A2DP technology 3.5mm INPUT: universal connection to tablets, smartphones and laptops for audio LONG LASTING BATTERY: Rechargeable lithium battery for up to 8 hours of continuous listening. PORTABLE DESIGN: Compact, modern and ultra-thin design HUGE SOUND: Powerful, pure sound