Fangrui Product Details 1. It Has The Characteristics Of Clear Voice, Convenient Mobile Communication, Strong Anti-interference Ability, Etc., And Is Widely Used In Radio Communication. 2.: Ipx6 Waterproof, Compact Structure, Can Protect The Internal Circuit From Dust Intrusion, And Provide Deep Double Protection For Internal Parts In Harsh Rainwater Environment, So That The Fun Of Motorcycle Travel Not Stop. 3. Using 5.0 Powerful Chips, The Battery Capacity Is Larger And The Power Consumption Is Lower. After Multiple Optimized Circuit Schemes, A Current Loop Is Formed For Recycling During Standby, And The Standby Time Is Longer. 4. Built-in 1200mah Battery, Equipped With An Upgraded Smart Chip, Power Consumption Is Reduced By , No Longer Troubled By Frequent Charging Of Earphones With Small Batteries, 5. Easy To Install, Suitable For Many Types Of Helmets On The Market. Name: Helmet Bluetooth Headset Talk Time: 25 Hours Standby Time: 40h Charging Time: H Battery Capacity: 3.7v/1200mah Bluetooth Version: 5.0 Waterproof