Product Overview: OPEN-EAR LISTENING No wires. No bulk. No limits. Bone conduction technology leaves ears open to ambient sounds. LIGHTWEIGHT + FLEXIBLE Designed to fit your every move. Our open-ear headphones feature wraparound titanium to ensure comfortable long-term wear. SWEATPROOF Go hard in every element. Inspired by athletes, these headphones repel sweat, dust, and moisture to help you push any limit. MUSIC + CALLS 6-Hour battery life and dual noise-cancelling mics make taking calls or listening to music effortless. Features: EVEN MORE BENEFITS Bluetooth 4.2 Reliable connectivity and multipoint pairing EQ settings Boosted bass and reduced vibration on-the-go PremiumPitch+™ A premium audio experience every time WHAT'S IN THE BOX Air Headphones Silicone Carrying Case USB Charging Cable Earplugs 2-year warranty FULL SPECS Back-a-track -Yes Battery life - 6 hours Battery type - Lithium-ion Charge time - 2 hours Charger - Micro USB Command controls - Yes Compatible codecs - SBC Compatible profiles - A2DP, AVRCP, HSP, HFP Frequency response - 20Hz~20KHz Microphone Dual - noise-cancelling mic Microphone sensitivity - -40dB ± 3dB Multipoint pairing - Yes Sensitivity - 100 ± 3dB Standby time - 20 days Titanium band - Full Wraparound Type - Bluetooth 4.2 Warranty - 2 years Water-resistance - IP55 (water-resistant) Weight - 30 g Wireless range - 33 feet