Specification: - Color: as Shown - Material: ABS - Size: 25x17x8mm - Sensitivity:- 86dB - Current: 22mA - Supply Voltage: 5V DC ( Max 5. 75V ) - Temperature Range:- 20?- 70? - Frequency Band: 2. 402G- 2. 480G - Transmission Rate: 3Mbps Package Including: 1x USB Bluetooth 5. 1 Adapter

?EFFICIENT USE?Bluetooth adapter automatically recognizes subsequent connections after initial pairing. ?ULTRA SMALL DESIGN?Ultra-small design means you can insert the adapter into any USB port and simply keep it there, no matter when you are traveling or at home. ?BROAD OPERATION RANGE?Long transmission distance up to 10- 20m ( no blocking ), ensuring strong signal. Provides 3Mbps transmission speed for stable data and file transfer. ?PLUG AND PLAY& MULTI DEVICE CONNECTION?Plug and play, It supports multiple devices connected simultaneously which does not affect the transmission speed. ?STRONG COMPATIBILITY?Bluetooth 5.1. Compatible with Windows 7, Windows8.1, Windows10, Windows11.