Experience sound quality with the Philips TAT2149BK true wireless earphones, designed to deliver audio output with a frequency response ranging from 20 to 20,000 Hz. With a built-in microphone and Bluetooth 5.4 technology, these earphones offer a seamless wireless connection and a maximum operating distance of 10 m, making them suitable for enjoying music and taking calls on the go. The compact in-ear design ensures a comfortable fit, while the dynamic headphone technology enhances sound clarity and depth. These earphones are equipped with a rechargeable lithium polymer battery with a capacity of 40 mAh and allow for quick charging within 2 hours. With an IPX4 rating, the TAT2149BK is splashproof and sweat-resistant, making it a choice for workouts and outdoor activities. Enjoy compatibility with intelligent assistants like Siri and Google Assistant, enhancing your listening and calling experience.