Philips | New Philips SHM5178 Business Wireless Earphones Bluetooth 5.3 IPX4 Headphones HiFi Stereo HD Mic Call ENC Noise Reduction Earbud

Frequently Asked Questions：1.The Bluetooth earphones cannot be turned on? -The battery is low. Charge the earphones. 2.Bluetooth earphones cannot pair with Bluetooth devices? -The Bluetooth function is not turned on. Before turning on the headphones, first turn on the Bluetooth device and enable the Bluetooth function on the device. 3.Unable to pair? -Ensure that any previously connected Bluetooth devices have been disabled Bluetooth function.Go to Bluetooth device and remove from Bluetooth list"Philips SHM5178”. 4.The sound quality is too poor, you can hear popping sounds? -The Bluetooth device is out of the connection range. Shorten the distance between headphones and Bluetooth devices, or move away obstacles between the two./Charging headphones 5.When mobile phone transmission is slow, or when audio transmission is impossible, the sound quality is very poor? -Ensure that your phone not only supports (mono) HFP, but also A2DP, and is compatible with BT4.0x (or higher version) (please refer to "Technical Data" on page 10)