Shokz OpenRun Blue

The exceptional audio quality is unimaginable with the current bone conduction technology in the market. Openrun vibration is 30 degree tilted against face, this allows more bass dynamic range and less vibration feelings. 26grams. IP67 Waterproof. Features: More Bass Less Vibration Waterproof IP67 rated Smaller Transducer Bigger Sound 50% Less Sound Leakage Lightweight Moisture Detecting Alert Open-Ear Design Quick Charge 8 Hours of Music & Calls Reliable battery life Specifications: Part number: S803 Speaker type: Bone conduction transducer Frequency response: 20Hz - 20KHz Sensitivity: 105 + 3dB Microphone: -38dB + 3dB Bluetooth version: Bluetooth v5.1 Compatible profiles: A2DP / AVRCP / HSP / HFP Charge voltage: 5.0V Speaker impedance: 8.5ohm Frequency band: 2400 - 2483.5MHz Wireless range: 33 ft (10m) Battery: Li-Polymer battery Continuous play: Up to 8 hours Standby time: Up to 10 days Charge time: 1.5 hours Weight: 26 g Warranty: 2 years Sweat resistance: IP67 Battery capacity: 160 mAh Maximum RF output power: 3dBm