<b>Q: Bluetooth headset is unable to pair? </b> <br> A: Please do the following: <br> 1.Reboot the Bluetooth earpiece for cell phone<br> 2.Unpair your Bluetooth headset for cell phones and clear the history of connection, then connect the headset again. <br><br> <b>Q: Why is the volume very small? </b> <br> A: You can adjust the volume on the Bluetooth earpiece for cell phone as well the phone if you use Android phone. <br> <br> <b>Powerful battery </b> <br> Battery has a 20-hour talk time or music time and a 240-hour standby time. Take like 1.5 hours to full recharge. <br> <br> <b>Comfortable to wear </b> <br> The Humanized design let you wear it several hours without pain. <br> <br> <b>Hear from Each Other Clearly</b> <br> Built-in high quality microphone and speaker, this Bluetooth headset for cell phones deliver you good sound and make sure the one who you are talking to can hear you well. <br> <br> <b>Package Includes: </b> <br> 1x Bluetooth Headset<br> 1x USB charging cable<br> 2x Ear hooks<br> 3x Eartips(S/M/L) <br> 1x User Manual<br>