Sanag A15S Pro Open Ear Wireless Bluetooth Sports Air Conduction Headphones

Features: Bluetooth 5.2 IP7 Waterproof Lightweight: 28g Magnetic charging Acoustic technology upgrade 170mAh Battery&6H battery life Outdoor sports&Workout&Commuting Air conduction headphone technology Specs: Chip: AC7006 Weight: bare metal 28g Headphones Type: Portable Sports Bluetooth headphones Bluetooth version: V 5.2 Transmission distance: more than 10 meters Frequency range: 20Hz ~20KHz Battery capacity: 170mAh Playing time: about 6 hours Charging time: 1.5 hours (better than 3 hours for the first charge) Waterproof grade: IPX7 Storage temperature: -30°C to 70°C Working temperature: -20°C to 70°C