Philips Open Ear True Wireless – TAT2708

3D Stereo Sound, Crystal Clear Calls The newest philips 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). Bluetooth 5.3, Quick Connection The TAT2708 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%,. Comfortable Sports Earhooks, IPX4 Waterproof Philip sport headphones are designed with a soft, ultra-light and flexible 45° earhook structure, which can fit your ears smoothly. 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 conveniently. Long battery life Up to 5-6 hours playtime of normal usage on a single charge and boost that to 18 hours playtime with the 300mah compact charging case. With type-C quick charge, it only takes 2 hrs to charge the case. Specification Operating frequency: 2.402GHZ-2.480GHZ Bluetooth: 5.3 Headphon battery specifications: 40MAH/3.7V Charging base battery specifications: 300MAH/3.7V Drama specifications: 14.2MM Earphone full charge time: About 2 hours Waterproof grade: IPX4 Charging compartment full charge time: About 2 hours Headphone weight: 17.5g/Pair Machine weight:Earphone+charging compartment: 85g