Oppo unveiled a more premium TWS headset and its first smart band. The Enco W51 improve on the Enco W31 formula with proper noise cancellation - the company advertises up to 35dB reduction in noise using a system with two microphones. Three other mics are used for in-call noise cancellation. There's a total of 6 microphones on each bud. When paired with a phone like the Oppo Reno4, which is capable of Bluetooth dual transmission, the headset can enter a low-latency mode - it can go down to 47ms, the worst case scenario is 94ms. The Enco W51 are rated IP54, i.e. they have rain and...