FOXL PLATINUM BT V2.2 A2DP Bluetooth and aptX Bluetooth for CD-like Wireless Audio (when streaming from an aptX equipped Bluetooth device, like Apple Lion/Snow Leopard Macs. AudioQuestEVERGREEN Audio Cable included for Highest Resolution Critical Listening. Up to 20 hours battery life. Special Edition Platinum Color. Our top Model for listening with a cable or via Bluetooth. Lithium-ion BassBattery re-chargable via wall charger (fast) or USB (slow via standard PC USB port but fast if connected to an iPad charger. Output for optional powered subwoofer