Based on this product's specifications, here are some alternatives and similar models
PLANTRONICS HP Poly BT600 USB-A Bluetooth Adapter — black, USB-A dongle
Summary description:
Wired USB-A Bluetooth adapter PLANTRONICS HP Poly BT600 in black. Compact USB-A dongle providing Bluetooth connectivity for compatible PCs and laptops. Supplied bagged; intended to enable wireless pairing of headsets, keyboards, mice and other Bluetooth peripherals. Suitable for simple expansion of devices lacking built-in Bluetooth.