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Small black USB 2.0 Bluetooth 5.0 dongle with matte finish

Ruth's sister

Ruth's sister COCCO-0048359 Bluetooth 5.0 USB 2.0 Adapter

SKU CH-ZKBQ-9YVZD

Adds Bluetooth 5.0 to a PC or laptop through a USB 2.0 port, supporting dual-mode classic and low-energy connections from Windows XP to Windows 10

  • TypeBluetooth Adapter
  • Bluetooth 5.0 dual-mode connects legacy and low-energy devices
  • Transmit power +10 dBm reaches peripherals across the room
  • Receiver sensitivity -90 dBm keeps links stable in noisy areas
  • USB 2.0 interface works with Windows, Android and Linux systems
  • Operates from -20 °C to 70 °C for reliable year-round use

Bluetooth 5.0 USB 2.0 Adapter

The Ruth's sister COCCO-0048359 is a Bluetooth 5.0 USB 2.0 adapter for desktop and laptop computers. It adds wireless connectivity for audio devices, input peripherals and data transfer. The dual-mode dongle supports classic Bluetooth and Bluetooth Low Energy specifications. It is suited for users who need to add Bluetooth capability to a system lacking built-in radio.

Transmit power and sensitivity

The adapter delivers a transmit power of +10 dBm and a receiver sensitivity of -90 dBm at 0.1% bit error rate. It operates under the Bluetooth 5.0 protocol standard with a maximum data rate of 3 Mbps. The integrated low-power MCU and RF transceiver keep energy draw low during typical use. No active cooling is required for normal operation.

Sustained load behaviour

Under continuous data streaming or multiple simultaneous links the device maintains the Bluetooth 5.0 dual-mode specification. It supports up to seven BR/EDR ACL links, one SCO/eSCO audio link and four BLE master links concurrently. The working temperature range spans -20 to 70 degrees Celsius. The adapter relies on the host USB 2.0 port for power without external supply.

Highlights

  • Bluetooth 5.0 dual-mode connects legacy and low-energy devices
  • Transmit power +10 dBm reaches peripherals across the room
  • Receiver sensitivity -90 dBm keeps links stable in noisy areas
  • USB 2.0 interface works with Windows, Android and Linux systems
  • Operates from -20 °C to 70 °C for reliable year-round use

Specifications

BrandRuth's sister
ModelCOCCO-0048359
TypeBluetooth Adapter

Questions about this item

How do I install the Bluetooth 5.0 USB 2.0 adapter and which driver step is often missed?

Plug the dongle into a USB 2.0 port; Windows 10 usually loads a generic driver automatically, but for full dual-mode support you must install the CSR Harmony or Bluez stack manually, which many users skip.

What maintenance or replacement will the COCCO-0048359 adapter need over time?

No routine maintenance is required; the solid-state unit has no moving parts or batteries, so replacement is only necessary if the USB connector wears out or the device suffers physical damage.

What limit appears first when the adapter runs continuously at high throughput?

The 3 Mbps data-rate ceiling and the 70 °C upper operating temperature are the first constraints; sustained heavy transfers will hit the speed limit before thermal throttling becomes an issue.

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