The Galaxy Buds Pro can also be used for hands-free calling when paired with a compatible smartphone. Three microphones are used, along with beamforming technology, focus on and amplify your voice for clear conversations. To further help with call clarity, an outer mesh and internal chamber work to eliminate noise generated by the wind. The durable polycarbonate material fits snugly against your Galaxy Buds Pro charging case for a layer of protection from top to bottom and front to back. Snap on the detachable carabiner to attach it to your backpack strap or belt loop for easy access when you want to tune in to your playlist. Bluetooth 5.0, Up To 21 Hours Battery (ANC On) IPX7 Water Resistance Protection Rating Voice Detect Automatically Switches from Music to Conversation Wireless Charging Capable Auto Earbuds Switching: Switch From One Galaxy Device to Another