HV-900 Wireless Bluetooth Headset for Sports - Ultra Lightweight Portable headphone Neckband Design plus Astonishing Sound Quality (Black) HV-900 Bluetooth Headset comes in an Environmentally-friendly package with recyclable shock resistant wrapping Ultra durable built-in rechargeable lithium battery provides up to 8 hours music time, 15 hours talk time and up to 15 days standby time Lightweight memory flex neckband design with magnetic earphone holders allows maximum freedom on the run. Perfect Bluetooth headset solution for different occasions Enhanced stereo sound quality with A2DP profile support, experience high quality music and calls at affordable price