[【3D Stereo Sound Crystal Clear Calls】The newest i25 wireless headphones produce impressively beautiful sound using an AAC/SBC audio decoder and a 14.2mm composite diaphragm to increase the audio frequency by 45% (20Hz-20kHz). Instrumental details are layered vocals are clear resonant bass and authentic highs ensure you feel pure music. 【Bluetooth 5.3 Quick Connection】The Catitru i25 wireless earbuds uses Bluetooth 5.3 technology and dual-channel transmission and supports protocols such as HSP HFP A2DP and AVRCP. Compared with Bluetooth 5.2 the transmission speed is +150% the stability is +50% 100ms low latency and it is easily compatible with iOS/Android/Windows systems. 【10 Minute Quick Charge 2 Hours of Playback】Our wireless earphones over ear charging case with LED power display shows remaining power in percentage. Charging case presents its battery from 1%-100% to let you know the current power status of your running headphones and charging case anytime anywhere. Up to 6-8 hours playtime of normal usage on a single charge and boost that to 48 hours playtime with the 400mah compact charging case. 【Comfortable Sports Earhooks IP7 Waterproof】Unlike most sport headphones wireless i25 sport headphones are designed with a soft ultra-light and flexible 45° earhook structure which can fit your ears smoothly. And a single earbud is as light as 7g equipped with 3 different sizes of high-quality silicone earplugs (S/M/L). Also with IP7 certified waterproof technology you can protect the sport earbuds from sweat and rain during sports or daily use. Best choice for workout running gym. 【Smart Touch Control Refined Appearance】Multi-function touch panel on each Bluetooth earphone helps to play pause adjust volume answer end calls activate siri and google assistant more convenient. In addition the appearance of the sport earphones is made of 100% glossy coating with smooth lines comfortable touch and exquisite appearance.]