Wireless Bluetooth earphones by GUESS - TWS. Designed with the highest sound quality in mind. Comes with a portable charging station that acts as a protective case. Ergonomic shape and small size of the TWS earphones make them extremely comfortable to use and easy to store. The Intelligent Noise Reduction System clears unwanted background noise for high-quality, crystal-clear sound. Built-in microphone allows you to have a talk. IPX5 waterproof: thanks to the nano materials used in the production, you don't have to worry about sweat or rain when using these TWS! Built-in touch panel allows you to conveniently control the sound played by touching. Portable docking station included: store and charge your earphones along with the portable case with power bank function! Product manufactured under the Guess license. Specification: Bluetooth version: 5.0 Talk time: 3.5 h Music time: 4 h Charging time: 1-2 h Bluetooth range: 10 m Charging station battery capacity: 300 mAh Battery capacity of 1 earphone: 40 mAh Impedance: 16Ohm ± 10% Frequency range: 2.402G-2.480G Waterproof: IPX 5