Fangrui Product Details Business Collar Clip: Led Screen For Battery Status,20 Minutes To Charge, 20 Hours To Play Outdoor Riding:free Your Hands For Safe Riding,clear Voice Against Wind Noise Driving A Car:all The Way To Use,incoming Call Alert Campaigns:unrestricted Fitness,music All The Time Ultra-long Battery Life,20h Of Continuous Talk:the Headset Takes Only 20 Minutes To Fully Charge,20 Hours Of Talk Time On A Single Charge Soft Headphones With Comfortable In-ear Fit Wireless Electronic Devices:intelligent Compatibility With Electronic Devices With Wireless,open The Connection And Use It Directly Stand-alone Button:one-touch Multifunctional Key Operation Wireless Version: V5.4 Version Agreement: A2dp, Avrcp, Hsp, Hfp Effective Distance: 10m Frequency Range: 50hz-50khz Music Playback: 20h Charging Time: 20min Charging Port: Type-c Charging Port Colour:black or Black Silver or White Silver Material:plastic Package Contents: 1 x Bluetooth Headphone Only The Above Package Content, Other Products Are Not Included. Note: Ligh Designed For Modern Living Note: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement.