Key features

• •【Superior Sound】:RIC(Receiver in Canal)Design Greatly Reduces the Chances of Feedback and Make the Sound More Natural and Realistic.
• •【Basic Noise Cancelation】:2 Programs- Switch 'Soft' Mode To 'Sonority' Mode('H' fit to Noisy Environment, 'L' fit to Daily Environment)by Yourself to Blocks Basic Disruptive Background Noise, Makes You Focus on What You Want to Hear.
• •【Scientific Design】BTE Design Reduces Occlusion Effect, and It Weight Only 4.5g and Will Not be Your Burden. What You May Not Notice is That This Unit is Designed Based On Ergonomics Theory Maximize Comfort and Stability. Great for Jogging, Biking, Hiking, Running etc, and Enjoy Your Drama, Concerts, TV etc. 3 Different Sized Earplug to Fit All Size Ear Canal, and Suitable for Children, Adults, Senior, Fits To Either Ear.
• •【Powerful Battery Life】: The Rechargeable Battery Provides Up to 35-40 Hours of Continuous Usage, Device Bottom Have a micro USB Port for Charging. Fully Recharges in 7 Hours(Just One Night Sleeping Time), Red Color for Charging, When Charging, the Blue Indicator Light Turns On and Flashes Continuously, and it will be Constant on after the Charging is Finished.
• •【Guarantee】:Every LAIWEN Product Includes a One Year Warranty Guarantee& 90 Days Money Back Guarantee, We Take Care of All Quality-Related Issues with a Replacement Or Refund. Guaranteed!