<p> <b>Advantages of Knpaimly Wireless Earbuds:<br> </b> 1. Knpaimly offers a pair of high-fidelity Bluetooth Wireless Earphones with up to 40 hours of battery life.<br> 2. 2.You won't be worry about master-slave restrictions and enjoy one-click manipulation.<br> 3.Suitable size, easy to carry, can use in anytime anywhere, achieve what you desired.<br> <br> <br> <b>Specifications:<br> </b> Bluetooth Standard: Bluetooth 5.0<br> Operating Range: 33 feet/10 meters (No obstacles between)<br> Supporting Protocols: A2DP/HFP/HSP/AVRCP<br> Charging Time: 1.5 hours <br> Talking/Playing Time: about 4-5 hours (Varies according to volume level and audio content)<br> Battery Type: Li-polymer<br> <br> <b>Functions of Mutifuction Button (Touch):<br> </b> Volume +: Touch 3 times of Left Earbud<br> Volume -:Touch 3 times of Right Earbud<br> Previous Song: Touch twice of Left earbud<br> Next Song:Touch twice of Right earbud<br> Play/ Pause: Short touch of one earbud<br> Pick up/ Hang up phone call:Short touch of one earbud<br> Decline Incoming call: Touch and hold for 2s of one earbud<br> <br> <b>Package Contents:<br> </b> 2x Wireless Earbuds<br> 1x Charging Case<br> 1x USB Charging Cable<br> 1x User Manual<br> <b>18 Months After-sales Service.</b> </p>