Shokz OpenRun Color:Blue 4in)Compatible Phone Width64–84mm (2

4in)Compatible Phone Width64–84mm (2

4 CM) Strap Length: 22

Supports up to Two DELTA Pro 3 Smart Extra Batteries / DELTA Pro Smart Extra Batteries Max Device(s) Power Supported by X-Boost 6000W USB-C Output

Using an adapter delivering above 9 V / 2 A may not increase the charging speed

Shokz OpenRun Color:Blue 4in)Compatible Phone Width64–84mm (2OpenRun are our lightest headphones to date and are engineered with outstanding sound, a long lasting battery, and Quick Charge to keep you aware and motivated while you power through any workout. Key Features Earbud Free Bone Conducting Audio Remain Aware of Your Surroundings Up to 8 Hours of Playback IP67 Rated Water Sweat Resistance Product Specifications Wearing Style: Dual Ear with Neckband Earpiece Design: Open Ear Active Noise Cancellation: No