Pearl Ultra-Mini class difference

Pearl Ultra-Mini class difference

PEARL Ultra-Mini Bluetooth 4.0 USB Adapter, Class 1, EDR + CSR, 100 m (electronic)
Buy at Amazon.com

Customer Review

Class = 1 up to 100M
Class 2 = up to 10m range --- theoretically

There is in any case on the "receiver" to
the Pearl a green discreet LED lights
Hama when a blue rather intrusive LED
4.0 abwertskompatibel to all
no problem with the immediate vicinity of a Wi-Fi (in my 7490 Fritzbox)

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