Lightweight and Comfortable: Lightweight and ergonomic design offers you extra flexibility, portability and durability. 10-meter working distance gives you strong signal. Bluetooth Wireless Headphones, Built-In Microphone, Call functions, Echo Cancellation, Foldable, HD Voice, Noise Cancellation, Noise Isolation, Playback Controls, Rechargeable Cool Magnetic Attraction: The magnet can attach the ends together, creating a fashionable sport lifestyle. Allow you to enjoy digital-quality music wirelessly and convert between music and phone calling mode freely Easy carrying Magnetic design allows the 2 parts of the earpiece to be connected together to form a ring for easy carrying. SUPER SOUND QULITY: 10mm Speakers combined with CSR Bluetooth 4.1 create super accurate HD sound with powerful bass, soft silicone isolates external noise and allows you to enjoy music. FASHION MAGNETIC DESIGN: Built-in magnets let you stick the 2 earpiece together when not using, and wear it like a necklace around your neck, a convenient way to carry around, enables comfortable wearing experience without falling out. SWEATPROOF BLUETOOTH EARPHONE: IPX4 waterproof airtightness and internal nano coating provide double waterproof protection, Sweat and splash will not damage the headphones, allowing you to with music. ADVANCED CSR BLUETOOTH v4.1 TECH: CSR Bluetooth technology can ensure high efficiency and stability. Connect 2 Bluetooth devices at the same time, compatible with IOS / Android and most Bluetooth devices. IN-LINE MIC and VOLUME CONTROL: With in-line microphone and volume buttons, the wireless headphones enable you to make hands-free calls and manage music easily and instantly.Music playing time :4 hours Standby time :64 hours Distance :10M Wireless Technology: Bluetooth Compatible Earpiece Design:Earbud (In Ear) Features:Bluetooth Wireless, Built-In Microphone, Call functions, Echo Cancellation, Foldable, HD Voice, Noise Cancellation, Noise Isolation, Playback Controls, Rechargeable Fit Design:In-Ear