The Blazar Portable Bluetooth Stereo Device in Silver Aluminum. Play music wirelessly from any Bluetooth enabled device; Easily connect a Bluetooth device with the press of a button in 10 seconds or NFC Answer phone calls using the built-in mic with the press of a button; 3.5mm jack and included auxiliary cable allows wired playback; Built-in high-capacity rechargeable lithium-ion battery with 10-12 hour battery life; Recharge through included micro-USB cable; Range of approximately 40 feet; Equipped with Dual-Stereo Pairing; Battery Included: 1300 mAh Lithium-Ion.