Bluetooth 4.1 Headphone Lumsing J05 Business Handsfree Earphone Wireless Headset Earpiece with Microphone for iPhone 6 6 plus 5 5S ipad ipod apple watch Samsung galaxy S5 S6 Nexus 6 Motorola CVC Noise Reduction 6.0 Technology: reduces external noises of the headset as much as possible to make the sound clear and high quality even in a noisy street or a big shopping mall. Integrated Multi-point Technology: lets you connect two devices at once, so you can seamlessly switch between your business and personal phones. Bluetooth 4.1 + apt-X Technology:stable signal transmission, CD-quality sound. Latest Bluetooth 4.1 technology; easy and fast pairing with smartphones, tablets and other Bluetooth enabled music devices; aptX codec provides pure, CD-like high quality sound for compatible devices Double Lithium battery business headset: bluetooth device built-in 70Mah Lithium battery with protect board.charging device has second power bank 120Mah Lithium battery with protect board Unique and Stylish Appearance: Inspired by a smooth lacquered piano key and delicate rubber coating material, this Lumsing headset has a matchless style.