※ Please refrain from price negotiations. Thank you for viewing. I purchased this last year on Amazon. I haven't used it much, and there are no operational issues. The L-size ear tips are not included. Ultra-low latency of just 30ms: Using the latest LC3 codec, a custom chipset, and 2.4GHz wireless connection with LightningSync technology, a connection with an ultra-low latency of just 30ms is achieved using the included USB-C dongle. *The ultra-low latency of 30ms is only available when connected via the dongle. Connect to all devices with dongle & Bluetooth: By supporting dongle connections, it is possible to connect to all devices, such as VR goggles and game consoles that do not support Bluetooth. By connecting the dongle to a gaming device and Bluetooth to a smartphone simultaneously, you can enjoy voice chat and calls while listening to game sounds. Type: Left and right independent Connection type: Wireless Features: Bluetooth, microphone, completely wireless (left and right independent) Other features: Gaming