USB Bluetooth-compatible 5.1 Adapter Handsfree Dongle Wirele Transmitter Receiver 2.4GHz for Desktop Computer Laptop PCFeature:1. Support multiple devices to connect at the same time:support multiple Bluetooth-compatible devices to connect at the same time, solve the USB gap problem, and meet various occasions2. Drive free for Win8 and above, plug and play:Win8.1/10/1 drive free, plug in to support Win7 (drive required)3. Compatible with multiple Bluetooth-compatible versions:downward adaptation of 4.1/4.2/5.1 Bluetooth-compatible versions4. Universal:Wirele devices such as a keyboard,mouse,speaker,printers,gamepad&more5. Small and lightweight:Bluetooth-compatible 5.1 adapter is small, lightweight, won't take much space, easy to carry or store.Specification:Certification: CEOrigin: Mainland ChinaModel Number: Bluetooth-compatible AdapterProduct size: 21.8*15.7*5.9mm/0.85*0.6*0.23inBluetooth-compatible version: 5.1Frequency range: 2.4GHz (2402-2480MHz)Transmiion distance: 0~20MRated voltage: DC5VInterface type: USBOperating system: Win7, Win8, Win8.1, Win10, Win11 (drive free for systems above Win8)Package weight: 14g Note:Due to the different monitor and light effect, the actual color of the item might be slightly different from the color showed on the pictures. Thank you!Please allow 1-2cm measuring deviation due to manual measurement. 1 x Bluetooth-compatible Adapter 1. SupportCSV/EXCEL dropshipping. We offer discounts forwholesale orders, If you need, please kindly contact with us. 2. Fulfill orders on a daily basis. We can use for payment. 3. Don't include any invoices, QR codes, promition paper on the parcel. 4. We will handle your orders within 2-5 busine days and handle thousands of orders every day. 5. We have sufficient stock of our products. 6. Any other questions, feel free to let us know. 1. WORLDWIDE SHIPPING. (Except some countries and APO/FPO) 2. Orders proceed timely after the payment verification. 3. We only ship to confirmed order addrees. Your order addre MUST MATCH your Shipping addre. 4.SERVICE TRANSIT TIME is provided by the carrier and excludes weekends and holidays. Transit time may vary, particularly during the holiday season. 5. If you have not received your order after 30 days from payment, please contact us. We will trace your order and get back to you asap. Our goal is customer satisfaction! 1. We maintain high standards of excellence and strive for 100% customer satisfaction! 2. Feedback is very important. We request that you contact us immediately BEFORE you give us neutral or negative feedback, so that we can perform up your satisfaction. 3. It is impoible to addre iues if we do not know about them!