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Attention
NO KVM Switch This USB switch has no HDMI port and doesn't support sharing a display between two computers. NOT Video Transfer Designed for data transfer only, not video transmission. Keyboard & Mouse Disconnection 1. Due to 2.4GHz interference between wireless signals, multiple wireless devices connected to the USB switch may not function properly (industry issue).If interference occurs, switch your devices from 2.4GHz to 5GHz. 2.If the device srtill does not work properly, connect the power adapter to provide sufficient power supply. Avoid Using a USB Hub Not connect the switch through a USB Hub, as it may degrade signal quality. For stable signal transmission, connect the USB cable directly to your computer’s USB port. Power Supply Requirement 1. Standard power adapter: 5V 2A (not included). Non-standard adapters may cause the device to malfunction even when connected. 2. The power port supplies power only to USB devices, not to computers.
Recommended USB Cable 1. Use the included 1.5m USB A to A cables for best performance. 2. Using extension cables or third-party USB cables longer than 1.5m may cause signal instability. For USB-C Computer To connect this switch to a Mac or other USB-C-only computers, use a USB-C to A adapter with a USB A to A cable. A USB-C to A cable alone won't work. PC Sleep Mode Issue If USB devices disconnect after waking from sleep, disable power-saving setting. 1. For Windows : Control Panel > System and Security > Power Options > Change Plan Settings > Change Advanced Power Settings > USB Settings > USB Selective Suspend > Disable.1 Device Manager > Universal Serial Bus controllers > Right-click detected hubs > Properties > Power Management > Uncheck "Allow the computer to turn off this device to save power. 2. For Mac : System Preferences > Battery > Disable "Prevent computer from sleeping when display is off" and "Enable Power Nap while plugged in." Package Includes 1. USB 3.0 Switch ×1 (4.8 x 2.1 x 0.7 inches) 2.USB A to A Cable ×2 (5FT/1.5M) 3.Remote Control ×1 (5FT/1.5M)
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How to Use the Product?
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Q1: How to confirm whether your phone supports LDAC?
A1: Most smartphones with Android 8.0 or above support LDAC. iPhones, however, only support SBC/AAC codecs and do not support LDAC. You can also check your phone's user manual or contact the official after-sales service for confirmation.
Q2: How to check if LDAC is enabled on the device?
A2: The product will automatically prioritize LDAC by default. When LDAC is active and audio is playing, the product's indicator light will turn green. On some smartphones, LDAC may need to be enabled manually—please contact your phone manufacturer for instructions on how to enable it.
Q3: Why need to choose a bitrate?
A3:LDAC has higher requirements for connection distance and environment. Please select an appropriate bitrate on your phone based on your current surroundings. If there are obstacles nearby or the distance between the product and your phone is relatively long, we recommend switching to a lower bitrate to ensure smooth audio playback without interruptions.
Q4: What can I do if the volume is lower than expected after pairing?
A4: For Android phones: Go to Settings > Bluetooth > Connected device settings (e.g., UGREEN-BT505 – note that the Bluetooth name may vary by product), then enable the "Volume Sync" feature and adjust the volume again.
For iPhones: Go to Settings > Sounds & Haptics > Headphone Safety, then turn off "Reduce Loud Sounds" and adjust the volume again.
Hi-Res certified sound with 11mm dual-magnet drivers and Co-Tuned by 4× Grammy Award Winner Terri Lyne Carrington
Two VPU bone-conduction voice sensors+ 4-mic AI noise reduction for clearer calls, even in noisy environments
Comfort-first open-ear design for all-day wear while staying aware of your surroundings
AI translation supports 130+ languages for real-time translation, meeting notes, and more
UGREEN App Support: Download the UGREEN app (iOS 2.5.0, Android 2.5.1) for software updates and access to available features. OTA firmware updates help keep your earbuds updated. (The latest version is 2.6.5)
Hi-Res certified sound with 11mm dual-magnet drivers and Co-Tuned by 4× Grammy Award Winner Terri Lyne Carrington
Two VPU bone-conduction voice sensors+ 4-mic AI noise reduction for clearer calls, even in noisy environments
Comfort-first open-ear design for all-day wear while staying aware of your surroundings
AI translation supports 130+ languages for real-time translation, meeting notes, and more
UGREEN App Support: Download the UGREEN app (iOS 2.5.0, Android 2.5.1) for software updates and access to available features. OTA firmware updates help keep your earbuds updated. (The latest version is 2.6.5)