Product Details： Classic Clip-on Design, Worry About Miss The Earphone. Convient To Use When Driving/riding/working. Fast Charging. It Take 20 Minutes For A Fully Charging.newest Bluetooth Version V5.2. Extremely Fast And Stable. Large Capacity Battery. Music To 20 Hours(with Volume).vibration Alert Support. Miss Any Call. Hd Sound. High Quality Chip And Excellent Noise Reduction Algorithmic Retractable Earphone Cable.power Display Support. Volume Keys. Easy To Control. Model: K65 Bluetooth Version: 5.2 Music Time:20 Hours Talk Time: 20 Hours Charging Time: 20 Minuts Standy Time: 180 Days Earphone Battery Capacity: 140mah Transmission Distance: Max To 10 Meters Colour: Blue Material:plastic Package Contents: 1x Bluetooth Earphone Set Only The Above Package Content, Other Products Are Not Included. Note: Light Reflection And Different Displays May Cause The Color Of The Item In The Picture A Little Different From The Real Thing. The Measurement Allowed Error Is +/- 1-3cm.