Spritech(TM) Bluetooth Wireless Headset for Cell Phones Headset with Foldable Comfort Fit Lightweight Headband 200 hours standby time and 8 hours talk time Broadcast Range:10M .Support:Headset,Headfree,Noise-Canceling,Voice-Dial/Mute Multi-point supported: 2 connections simultaneously Chipset:CSR BC6 V2.1