Motorola TX500 Universal Bluetooth In-Car Speakerphone and 3 Foot USB Extender - Bulk Packaging Bonus: Includes Free USB Extender for use with any compatible device Includes: TX500 Bluetooth In-Car Speakerphone, Car Charger, Quick Start Guide. The battery provides up to 45 hours of talk time and up to 6 months of standby time Loud and Clear- World class echo and noise reduction with one microphone, and powerful 2-watt speaker ensure you'll hear and be heard over the road noise. Uses Bluetooth 2.1 technology