ENERGY SISTEM URBAN 1 TRUE WIRELESS YELLOW BLUETOOTH HEADPHONES. GUARANTEE 3 YEARS!

True Wireless earphones to listen to your music wirelessly. Answer calls in crystal clear stereo sound thanks to Bluetooth 5.0 and the built-in microphones. Enjoy up to 20 hours of battery life with the charging case. Completely wireless in-ear design earphones featuring both True Wireless Stereo and Bluetooth 5.0 technology. Built-in microphone and calls in stereo sound to speak comfortably, without worrying about the noise. Charging case providing 15 additional hours of battery life and Open & Play feature. Take them out or put them back in the case to enjoy your music. Enjoy your music and calls and forget about running out of battery with the 20-hour battery life (5 hours every time you charge them and 15 additional hours with the charging case). AUDIO Frequency response: 20 Hz ~ 20 kH