ER9 2 in 1 Hands-Free Calling Car Kit Wireless Bluetooth Headset .

This ER9 MP3 player features Bluetooth 4.2 technology, ensures a clearer call time and longer use time. It supports Bluetooth hands-free call, protect the privacy of calling content. Dual USB ports support electronic device charging and music playing at the same time.

 Main Features:
• With a battery voltage detection function
• Support Bluetooth hands-free calls, built-in microphone, safe answer the phone
• Support for mobile function, connect directly by Bluetooth and play high-quality mobile music
• One-touch to answer, meet your needs of calling while driving, ensuring driving safety
• Auto answer function, pick up the headset to answer automatically, put down the headset to continue music play
• Independent power switch, ready to turn off the power, do not loss the car battery
• The cigarette base provides power supply, put back the Bluetooth headset to charge, provide a long standby time

Bluetooth headset charging function, using while charging
• Support U disk expansion to play Music.
• Dual USB ports support electronic device charging and music playing at the same time
• Built-in intelligent detection, automatic identification of charging equipment current, efficient and safe to charge.