✨BRAND NEW IN ORIGINAL SEALED PACKAGING✨ ✨RARE✨ Your perfect workout partner. Stable, comfortable fit. Flexible design fits comfortable and stays put for all levels of exercise. Rugged, waterproof IP57 design won't let you down. Easy controls lets you keep moving while you control your music or calls. Contoured eartip and reflective finish let you hear your surroundings and be seen at night. Neoprene armband for smartphone reverses to store headphones. Key Features: • Wireless sport in-ear headphones • Bluetooth v3.0 • Pairs with your Bluetooth enabled devices • Sweatproof and waterproof • Waterproof nano-coating (technology by P2i) • Waterproof in fresh water up to 1m (3.28 ft) for 30 minutes (IP57) • Bluetooth does not transmit under water • Up to 8 hours playback/battery life/listen time • Up to 6 hours talk time • Up to 14 days standby • Built in microphone • Phone armband included (fits phones up to 5.6" x 2.9") • Armband for smartphone or headphones reverses for storage • Eartip design directs audio into ear but lets you hear a bit of your surroundings • AZDP for audio streaming • AVRCP for music controls • 13mm dynamic drivers • Frequency response 50-20,000 Hz • Total harmonic distortion < 3% • Flexible, durable materials • Smart apps: locate your lost headphones with Find MyHeadset or update to latest firmware with BackBeat FIT Updater • Wireless firmware update from app • Battery status meter for iPhone and iPad • Micro USB charge cable