Mini Wirele USB Adapter Drive-free USB Adapter Receiver Transmitter Bluetooth-compatible 5.3 Support Windows 8.1 Win10 Win11Feature:1. Bluetooth-compatible Version:Dual mode supports Bluetooth-compatible 5.3 BLE (backward compatibility 2.0/3.0/4.0/5.0).2. Stereo Audio Transmiion:Support 3Mbps Bluetooth EDR data rate; Dual mode EDR/LE stereo audio transmiion is supported.3. Long Transmiion Distance:5.3 Bluetooth-compatible adapter, lower power consumption, lower latency, and longer transmiion distance. Under the condition of no obstacle, the signal of 20 meters long distance transmiion is strong.4. Supported Devices:Bluetooth-compatible headset/Bluetooth-compatible keyboard/Bluetooth-compatible mouse/Bluetooth-compatible speaker/mobile phone/printer/computer/game controller.5. Satisfaction Guarantee:We strive to provide each customer with the highest standard of customer service to ensure you have a pleasant shopping experience. If you have any iues, inquiries or need aistance, please feel free to contact us directly.Specification:Model: BT604Color: blue, red, green (optional)Bluetooth-compatible version: dual mode supports Bluetooth-compatible 5.3 BLE (backward compatibility 2.0/3.0/4.0/5.0)Interface: full-speed USB 2.0 interfaceFrequency band range: 402-248GHZ ISM frequency bandEffective distance: 10-20mLED indication: power on, connection, standby.System support: Windows 8.1, Win10, Win11.Software support: driverleChipset: ATS2851Supporting configuration files: A2DP/SBC/AAC/HSP/AVRCP/HID, etcWorking temperature: - 10-50 Storage temperature: - 20-70 Supported devices: Bluetooth-compatible headset/Bluetooth-compatible keyboard/Bluetooth-compatible mouse/Bluetooth-compatible speaker/mobile phone/printer/computer/game controllerSize: about 25x17x8mm/0.98x0.66x0.31inchWeight: 3g 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 USB 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!