Sennheiser HD 250BT Bluetooth 5.0 Wireless Headphone – Black & TP-Link Nano USB Bluetooth 5.0 Adapter for Multiple Devices, Long Range Bluetooth Dongle/Receiver (UB5A)

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• Product 1: Headphones with advanced wireless technology and high-quality sound including a dynamic bass – inspired by DJs
• Product 1: Superior audio quality with AAC, AptX codec support, AptX Low Latency and unbeatable Bluetooth 5.0 connectivity
• Product 1: 25-hours of battery life and long-lasting comfort thanks to the padded headband and ear pads
• Product 1: Smart Control App enables a personalized audio experience with equalizer function and Built-in microphone for phone calls
• Product 2: Bluetooth 5.0 – Backward compatible with Bluetooth V4.0/3.0/2.1/2.0/1.1 devices, applies the latest Bluetooth 5.0 with low energy (BLE) technology
• Product 2: Nano-Sized – Ultra-small for convenient portability with reliable high performance, Dimensions: 0.58 × 0.27 × 0.74 in (14.8 × 6.8 × 18.9 mm)
• Product 2: Driver Free – Plug and Play for Win 7, Win 8.1, Win 10, and Win 11
• Product 2: Broad Operation Range – Enjoy stable connection via your Bluetooth headset with a transmission distance of up to 20m in open space, with 1-year manufactory warranty

Sennheiser HD 250BT Bluetooth 5.0 Wireless Headphone with AAC, aptX™, aptX™ Low Latency, transducer technology and build-in microphone- 25 hour battery life, USB-C fast charging – Black
Smart Control App enables a personalized audio experience with equalizer function and Built-in microphone for phone calls

TP-Link Nano USB Bluetooth 5.0 Adapter for Multiple Devices, Long Range Bluetooth Dongle/Receiver for Windows 11/10/8.1/8/7, Plug and Play (UB5A)
TP-Link UB5A is highly portable and much smaller than a flash drive. Plug in Win 11/10/8.1/7 system to enjoy a wireless communication with Bluetooth-enabled devices. UB5A supports advanced Bluetooth 5.0 and enables wireless connectivity with a wide range of devices such as computers, printers, phones, headsets, speakers, keyboards, controllers, etc. Small, unobtrusive design allows you to plug it in and forget it is even there0.58 × 0.27 × 0.74 in (14.8 × 6.8 × 18.9 mm). Enjoy stable connection via your Bluetooth headset with a transmission distance of up to 20m in open space.