Sourcingbay HV900 Wireless Hands-free Bluetooth 4.0 Universal Headset for Apple iPhone /Samsung /Sony /iPad &ndash; White Built with CSR Bluetooth 4.0 chipset guarantees solid performances and connection stability within 10 meters operational range. Lightweight memory flex neckband design with magnetic earphone holders allows maximum freedom on the run. Perfect Bluetooth headset solution for different occasions. 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.