Description： Bluetooth version: 5.0 Microphone Sensitivity: -42dB Connectivity: Wireless Earpiece: Single Input voltage: 5V Input current: 1A Charging time: about 1-2 hours Standby time: more than 180 hours Music Time: Up to 6-8 hours Talk time: up to 6-8 hours Transmission distance: 32 feet. (10m) Battery capacity: 90mAh The package includes: 1PC headset 1 charging cable Universal Compatibility: V5.0 Bluetooth Headset With Microphone Provides You A Stable Calling Environment And Fast Pairing With Smartphones And Tablets, Compatible With Most Bluetooth Devices. Continuous Talk Up To 6-8 Hours And Standby Up To 7.5 Days. These Bluetooth Earbuds Allow You To Make Reliable Wireless Calls Throughout The Day With Just 1.5 Hours Of Fast Charging. Waterproof: Sweatproof While Exercising. For Running, Jogging, Hiking, Yoga, Workout, , Fitness, Travel And More. SUPER COMFORTABLE: Weighing 0.5 Ounces, It's Durable And Comfortable Enough To Wear For Hours. Enjoy Enhanced Comfort With A Lightweight Design And Ultra-soft Ear Gel. The Built-in High-definition Microphone With Advanced CVC6.0 Noise Reduction Technology Annoying Background Noises Such As Wind, Traffic Or Crowds, Providing -clear Audio And Natural Sound, Allowing You To Enjoy High-quality Music And Clear Calls.