Haylou W1 In terms of technology, Haylou W1 uses Qualcomm’s flagship 3040 chip and the latest Bluetooth version 5.2, which ensures faster Bluetooth connection with lower power consumption while improving the stability of the connection. Support aptX, aptX-adaptive, AAC, SBC a variety of audio decoding methods, compatible with Android, Apple, notebooks and other devices. Colorful + in-ear design = Pretty and comfortable aptX Adaptive = Flagship HD decoding Qualcomm3040 + Bluetooth 5.2 = Flagship chip Faster and more stable Smart touch control operation = More convenient and accurate CVC+dual-mic call noise reduction = More pure and clear 20h powerful battery life = Heal your little anxiety Dynamic low latency = Fully enjoy your game AAC HD audio coding = More pure and clear Faster pairing = Connect in a second More stable connection = 10m transmission range Seamless switch = Mono/stereo mode