Shokz Openrun Pro Bone Conduction Wireless Bluetooth Headphones, Open-Ear, Standard Size (Black) Be open to pushing your limits. Introducing the Shokz OpenRun Pro. our most high-end sport headphones ever. They´re ready to redefine everything you knew about open-ear listening with improved tech including enhanced bass. a 10-hour battery life, and a quick charge feature. Our new flagship sport headphones feature the latest 9th generation bone conduction with two added bass enhancers and our signature situational awareness and comfortable fit you know and love. Key Features Shokz TurboPitch Technology for Enhanced EOSS Open-ear design ensures comfort and safety Titanium frame for secure fit 10 hours of music & calls IP55 water-resistant durable and reliable Dual noise-cancelling microphone Quick charge 20% smaller in size for balanced weight distribution Shokz app Technical Specifications Speaker type: bone conduction transducers Frequency response: 20Hz~20KHz Sensitivity: 105 ± 3dB Microphone: -38dB ± 3dB Bluetooth version: v5.0 Compatible profiles: A2DP, AVRCP, HSP, HFP Wireless range: 33 ft (10m) Battery: lithium polymer 140mAH Continuous play: 10 hours Standby time: 10 days Charge time: 1 hours Quick charge: Yes, 5 min charge for 1.5 hours of usage Weight: 29g Sweat resistance: IP55 What´s Included Shokz Openrun Pro Headphones USB Magnetic charging cable Carrying case