the latest Bluetooth 4.1-CSR8635 chipset and 10mm drivers. Together they ensure crystal clear wireless transmission in true HD sound. Redefine your style statement with bright Neon green and black blend. With its 6 hours play time, you're sure to spend a quarter of your day with these earphones. Listen to music, take calls or activate voice-controlled smartphone assistants because touching your phone to control it is too mainstream! The magnetic earbuds secure the earphones from falling and keeps them safe when not in use. you can easily manage music - play/pause, next song/prev. song, call answer/hangup, etc. Built-in magnet switch, when the magnet is separated/attracted, intelligently predicts your needs, without any key operation sweatproof design free while running, well-placed sweat headphones Our headphones are equipped with a waterproof nano-coating that protects against sweat for life. The ergonomic earhook secures the earphones in the ear without falling.Perfect for running, hiking, yoga, gym, fitness, traveling and etc You can connect two headphones together when it not be used and can be worn like a necklace on your neck, which is a convenient way of carrying Long Playtime: Built-in lithium-ion battery; Only 1.5 hours charge gives you up to 4 hours talk time/audio play time, enough to power your workouts with music for a week.