Product Overview: OPEN-EAR LISTENING Hear it all. Bone conduction technology leaves ears open to ambient sounds. SWEATPROOF + DURABLE Built to work as hard as you do. A durable design repels sweat, dust, and moisture through any challenge. MUSIC + CALLS 6-Hour battery life and dual noise-cancelling mics make taking calls or listening to music effortless. STABILITY OpenFit™️design equipped with a titanium frame allows for reliable stability for every adventure. Features: EVEN MORE BENEFITS Bluetooth 4.1 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 Titanium Headphones - 1 inch smaller band Drawstring Carrying Case USB Charging Cables Earplugs FULL SPECS 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 - 10 days Titanium band - Partial - 1 inch smaller band Type - Bluetooth 4.1 Warranty - 2 years Water-resistance - IP55 (water-resistant) Weight - 36 g Wireless range - 33 feet