F8 Bluetooth 5.1 Ear-Mounted Stereo Wireless Sports Earphones Bluetooth version: 5.1+EDR Talk time: approximately 15 hours Music playback time: approximately 15 hours Headphone battery capacity: 75mAh Wireless frequency: 2.4GHz Supported protocols: A2DP 1.3, HFP 1.6, HSP 1.2, AVRCP 1.6 Transmission range: up to 10 meters Charging voltage/current: 5V/1A Charging time: approximately 1 hour Standby time: approximately 120 hours Speaker driver: 8mm, 32 ohms Microphone sensitivity: -42dB Materials: ABS, silicone Charging port: USB Included accessories: Earphones x1, charging cable x1, user manual x1 Weight: approximately 6g Features: Minimalist design with dual-material construction for enhanced comfort and balanced aesthetics Ergonomic fit based on human auricle shape, distributing pressure evenly for secure and stable wear Angled 108-degree front and rear sound chamber design balances internal and external air pressure for comfortable extended wear Soft silicone ear tips fit naturally in the ear canal without causing pressure HD calling with intelligent noise reduction 13mm dynamic driver with composite diaphragm delivers clear, high-fidelity sound with powerful bass and crisp, transparent highs Composite diaphragm woofer for rich, deep bass response Metal diaphragm tweeter for detailed, smooth high frequencies Touch-sensitive controls for music, calls, and voice assistant activation Auto-connect after initial pairing IPX4 rated for water and sweat resistance