Main Features. describe: Open-back wireless earphones surround directional sound field, open-back design, sweat-proof and waterproof,pact body life Comfortable to wear without ear clips to protect ears from injury Directional sound field speaker surround adopts environmentally friendly physical diaphragm technology Duration 180mah battery, bluetooth 5.1/5.2 chip, …Oct 28, 2015 · Traditional Bluetooth design rmends one watt of power consumption. When ites to wireless IoT applications, this is a lot. Both Bluetooth LE and ZigBee are between 10 to 100 milliwatts (mW), which is 10 to 100 times less than what traditional Bluetooth rmends you design for. However, Bluetooth LE doespare well to ZigBee, which we ...Ultra-low-power microcontrollers are largely used in consumer electronics such as smartphones, smart TVs, wearables, wireless speakers, gaming consoles, and earphones and headphones to reduce the power consumption, as well as ensure higher performance and greater functionalities of these devices.The HT-S40R is almost ready to go straight out of the box. Simply plug it in, wire up your main bar speaker using simple colour-coded connections and connect rear speakers via the wireless amplifier. Then sit back and enjoy 5.1 channels of real surround sound.