Sony h.ear on 3 Wireless NC Help Manual page 124

Help Guide
Wireless Noise Canceling Stereo Headset
h.ear on 3 Wireless NC (WH-H910N)
Sound skips frequently.
Set the headset to "Priority on stable connection" mode. For details, see
Remove any obstacles between the antenna of the connecting Bluetooth device and the built-in antenna of the
headset. The antenna of the headset is built into the part shown in the dotted line below.
A: Location of the built-in antenna
Bluetooth communications may be disabled, or noise or audio dropout may occur under the following conditions.
When there is a human body between the headset and the Bluetooth device
In this case, put the Bluetooth device in the same direction as the antenna of the headset to improve the
Bluetooth communications.
There is an obstacle, such as metal or a wall, between the headset and the Bluetooth device.
In places with wireless LAN, where a microwave oven is used, electromagnetic waves are generated, etc.
The situation may be improved by changing the wireless playback quality settings or fixing the wireless playback
mode to SBC on the transmitting device. For details, refer to the operating instructions supplied with the transmitting
device.
Because Bluetooth devices and wireless LAN (IEEE802.11b/g/n) use the same frequency band (2.4 GHz),
microwave interference may occur and result in noise, audio dropouts, or communications being disabled if this
headset is used near a wireless LAN device. In such a case, perform the following steps.
When connecting the headset to a Bluetooth device, use the headset at least 10 m (30 feet) away from the
wireless LAN device.
If this headset is used within 10 m (30 feet) of a wireless LAN device, turn off the wireless LAN device.
Use this headset and the Bluetooth device as near to each other as possible.
If you are enjoying music with your smartphone, the situation may be improved by shutting down unnecessary apps
or restarting your smartphone.
5-007-092-11(3) Copyright 2019 Sony Corporation
124
"About the sound quality mode".