--- product_id: 126865279 title: "Btcsr40 Bluetooth Csr 4.0 USB Adapter, Gold Plated Micro Dongle for Desktop, Laptop (33 ft/10 m)" brand: "kreya enterprise" price: "€ 0.20" currency: EUR in_stock: false url: https://www.desertcart.pt/products/126865279-btcsr40-bluetooth-csr-4-0-usb-adapter-gold-plated-micro store_origin: PT region: Portugal --- # Btcsr40 Bluetooth Csr 4.0 USB Adapter, Gold Plated Micro Dongle for Desktop, Laptop (33 ft/10 m) **Brand:** kreya enterprise **Price:** € 0.20 **Availability:** ❌ Out of Stock ## Quick Answers - **What is this?** Btcsr40 Bluetooth Csr 4.0 USB Adapter, Gold Plated Micro Dongle for Desktop, Laptop (33 ft/10 m) by kreya enterprise - **How much does it cost?** € 0.20 with free shipping - **Is it available?** Currently out of stock - **Where can I buy it?** [www.desertcart.pt](https://www.desertcart.pt/products/126865279-btcsr40-bluetooth-csr-4-0-usb-adapter-gold-plated-micro) ## Best For - kreya enterprise enthusiasts ## Why This Product - Trusted kreya enterprise brand quality - Free international shipping included - Worldwide delivery with tracking - 15-day hassle-free returns ## Description Description : Important Note: It is a only for laptop / Desktop & computer When you connect headset or speaker,feel the sound like handsfree, please You have to Uncheck "Handsfree telephony" from the services setting on your bluetooth device -> Control Panel/Hardware and Sound/Devices and Printers -> select your device and right-click, open Properties, then go to Services tab and uncheck Handsfree Telephony. Marked as your default device in Control Panel -> Hardware and sound -> Change system sound -> Playback -> select bluetooth device and select set defaults. CRS V4.0 Dongle Support Bluetooth voice and date transmission Ultra-compact, easy carrying and space saving. Experience stereo audio with Advanced Audio Distribution Profile (A2DP) support. Bluetooth Low Energy (BLE) protocol support. Up to 3 Mbps data transfer rate with Enhanced Data Rate (EDR) support. Backward support classic Bluetooth V3.0/2.1/2.0/1.1 Bluetooth version : 4.0 with EDR - data transfer rate up to 3Mbps ISM Band : 2.402-2.480GHz Support Profile : Serial Port, Object Push, File Transfer, LAN Access, Personal Area Network, Audio Gateway Compatibility : Windows 10, Windows 8, Windows 7, XP, Vista ,2003, 2000,Me, Bluetooth-enabled devices, like iPhone, iPad, iPod,Samsung Galaxy,note ,smart phones, tablets, keyboards, mice, speakers, printers, projectors,headsets & more ## Features - This adapter creates cable-free connections between PCs and other Bluetooth devices such as Bluetooth enabled headsets, speakers, cell phones, keyboard or mouse and more (with Microsoft built-in drivers) at speeds of up to 3 Mbps - Bluetooth 4.0 technology. Backwards compatible with Legacy Bluetooth Equipment Bluetooth 3.0, 2.1, 2.0 and 1.0 Equipment,Improves Bluetooth support for Windows 10,8.1/8,7,Vista, XP,2003, 2000,Me, 32 bit and 64 bit - Supports Bluetooth stereo headsets and more with built-in Windows 10 and 8 drivers or using the included drivers for Windows 7 and earlier. Specifically works with Microsoft's new Bluetooth 4.0 Low Energy support in Windows 8 and later. Does not add Bluetooth Low Energy. - Extremely compact USB adapter. Supports A2DP stereo playback, Safe to leave in for laptop travel Newest Bluetooth class 2 Smart Ready specification with v 4.0 low energy. - Up to 33ft/10m, wireless data exchange, audio Music Stream Enhanced Data Rata (EDR) compliant for both 2 Mbps and 3 Mbps modulation modes with gold plated connector,Note :- This product is not compatible with car" ## Technical Specifications | Specification | Value | |---------------|-------| | ASIN | B07R6W5KK3 | | Brand Name | kreya enterprise | | Color | black | | Customer Reviews | 3.5 3.5 out of 5 stars (3) | | Manufacturer | kreya enterprise | | Manufacturer Part Number | kreya095 | | Model Number | kreya126 | | UPC | 720337889542 | ## Product Details - **Brand:** kreya enterprise - **Colour:** black - **Manufacturer:** kreya enterprise - **UPC:** 720337889542 ## Images ![Btcsr40 Bluetooth Csr 4.0 USB Adapter, Gold Plated Micro Dongle for Desktop, Laptop (33 ft/10 m) - Image 1](https://m.media-amazon.com/images/I/41dSSKemokL.jpg) ![Btcsr40 Bluetooth Csr 4.0 USB Adapter, Gold Plated Micro Dongle for Desktop, Laptop (33 ft/10 m) - Image 2](https://m.media-amazon.com/images/I/51-a9AnV9-L.jpg) ![Btcsr40 Bluetooth Csr 4.0 USB Adapter, Gold Plated Micro Dongle for Desktop, Laptop (33 ft/10 m) - Image 3](https://m.media-amazon.com/images/I/41iit8KBSpL.jpg) ![Btcsr40 Bluetooth Csr 4.0 USB Adapter, Gold Plated Micro Dongle for Desktop, Laptop (33 ft/10 m) - Image 4](https://m.media-amazon.com/images/I/511WQ3MaHuL.jpg) ![Btcsr40 Bluetooth Csr 4.0 USB Adapter, Gold Plated Micro Dongle for Desktop, Laptop (33 ft/10 m) - Image 5](https://m.media-amazon.com/images/I/41-wKY-GNkL.jpg) --- ## Why Shop on Desertcart? - 🛒 **Trusted by 1.3+ Million Shoppers** — Serving international shoppers since 2016 - 🌍 **Shop Globally** — Access 737+ million products across 21 categories - 💰 **No Hidden Fees** — All customs, duties, and taxes included in the price - 🔄 **15-Day Free Returns** — Hassle-free returns (30 days for PRO members) - 🔒 **Secure Payments** — Trusted payment options with buyer protection - ⭐ **TrustPilot Rated 4.5/5** — Based on 8,000+ happy customer reviews **Shop now:** [https://www.desertcart.pt/products/126865279-btcsr40-bluetooth-csr-4-0-usb-adapter-gold-plated-micro](https://www.desertcart.pt/products/126865279-btcsr40-bluetooth-csr-4-0-usb-adapter-gold-plated-micro) --- *Product available on Desertcart Portugal* *Store origin: PT* *Last updated: 2026-10-20*