Spracht AURA Mobile Hands-Free Bluetooth Speakerphone Bluetooth-enabled speakerphone for wireless conference calling from mobile phones, PCs, and more (requires A2DP profile) Can also be used with non-Bluetooth mobile or cordless phones that have a headset jack Full duplex speakerphone enables participants to speak and listen at the same time; echo cancellation and active noise reduction Internal rechargeable battery provides up to 4 hours of use; includes chargers for use both at home/office and in the car What's in the Box: AURA Mobile BT speakerphone, AC wall charger, DC car charger, phone headset cable (2.5mm to 2.5mm; 42 inches), external microphone, PC cable (2.5mm to 3.5mm; 72 inches), user guide, quick start guide