Bluetooth Headset, BJGK HBS-950S Wireless Bluetooth Headsets Hand-free Headphones/Earbuds, Neckband Noise Canceling for Iphone/Ipad/Sony and Other Bluetooth Device (HBS-950S-Black) 1.APT-X Technology: The upgraded headsets have Bluetooth 4.0. Chip: CRS 8635 , supports the Apt-X Technology. It saves more power and provides high-fidelity and stereo music. 2. Retractable Neckband Design - Easy to adjust the length of the line by only pressing a button. Sensitive microphone adopts noise reduction technique to pick up your voice clearly. 3. Super Long Standby Time: Standby time about up to 500 hours, 10 hours for music and 15 hours for talking. So it's the perfect entertainment for relaxing at home, doing things around the house, making dinner, etc. Just enjoy it everywhere and anytime. 4. Lightweight and Comfortable: Lightweight memory flex neckband design with magnetic earphone holders allows maximum freedom on the run. It is perfect bluetooth headsets solution for different occasions. 5. The HBS-960S bluetooth Headsets product is good in quality and cheap in price. We promise a 90 day warranty that any quality problems caused can have a refund for our customers.