"Dynamic Driver - Made with a metal composite diaphragm, the dynamic driver keeps the bass and mid tones mellow, pumping out sounds with fuller and richer details. Dual Balanced Armature & Dynamic Drivers- Experience tri-band equalization effect with dual balanced armature and dynamic drivers, multiple audio codecs of AAC and aptX, etc. Knowles Balanced Armature Driver - The Haylou W1 dual Knowles balanced armature drivers retain the rich details of the high notes for the main melody bringing an immersive listening experience. aptX Adaptive Codec - aptX Adaptive codec can automatically adjust performance according to different scenes, bringing more vivid music and smoother gaming. Qualcomm 3040 Chip - Haylou W1 powered by Qualcomm QCC3040 chip and Bluetooth 5.2 chip. It supports dual-channel communication technology, seamless switching between mono and stereo mode. 20H Battery Life - The Haylou W1 earbuds offer 6 hours of playtime on a single charge, while the charging case extends that to 20 hours. cVc 8.0 & ENC - The Haylou W1 earbuds reduce environmental noise for crystal clear conversations using the latest cVc 8.0 noise-canceling technology and 4 microphones (2 per earbud). Ergonomic Design - With a stylish and ergonomic design, the Haylou W1 earbuds perfectly conform to the shape of your ear canal and offer extra wearing stability and comfort. IPX4 Water-Resistant - Water-resistant with anti-oxidation vacuum coating technology. And IPX4 water resistance defends against liquid in any weather condition. Intuitive Touch Control - Tap to play/pause, adjust volume, skip tracks, and access your phone's voice assistant. Click MFB button Play/Pause music Double click the MFB button on L Skip track backward Double click the MFB button on R Next track Click MFB button Answer/end call Triple-click the MFB button on L/R Summon voice assistant Model Haylou W1 Wearing Type In-ear TWS Bluetooth Earbuds Color White Wireless connection Bluetooth 5.2 Charging port Type-C Communication range 10 meters (open space without obstacle) Battery life Approx. 20 hours (including charging case) Earbud battery capacity 32mAh Charging case battery capacity 310mAh Earbud charging time Approx. 2 hours Charging case charging time Approx. 3 hours Support protocol SBC, AAC, aptX, aptX Adaptive, A2DP, AVRCP, HFP, HSP Waterproof IPX4 Package Included 1 x Haylou W1 TWS Bluetooth Earbuds 1 x Charging Box 1 x Manual"