Sol Republic and Motorola have announced the new Tracks AIR Wireless Headphones ($200). The Bluetooth headphones claim to deliver solid bass, clean mids and vocals, and extended highs from their A2 sound engines. Tracks AIR boasts a 150-foot wireless range, and battery life exceeding 15 hours; the headphones can also be used with cables for wired use. Tracks AIR Wireless Headphones feature multi-device Bluetooth connectivity, a dual-microphone for…