Wireless music enjoyment made easy. With the Bluetooth In-Ear Headset RF-BTK-200, you can enjoy your music without cables directly via Bluetooth, featuring powerful sound and simple handling. Conveniently, you can also recharge your headphones on the go using the charging case, without needing a power outlet. Wireless for maximum freedom of movement. Thanks to modern Bluetooth 4.2 technology, you can stream your music wirelessly from your smartphone or tablet to the In-Ear Headset, allowing you to enjoy music without being restricted by annoying cables. After turning on the In-Ear headphones, they easily connect to your mobile device via Bluetooth, enabling you to play your favorite music immediately. Maximum comfort thanks to ergonomic design. With an ergonomic design and a lightweight of only 9 grams, the two In-Ear headphones are extremely comfortable to wear and do not slip, even during sports activities. Small headphones - powerful sound. You will enjoy crystal-clear sound while playing your music, thanks to the 8 mm driver that delivers volume levels up to 110 dB. Recharge on the go. When you're not using the RF-BT In-Ear Headset, the stylish transport case protects them in your gym bag. Here, the headphones are safely stored and simultaneously charged by the built-in battery in the charging case. Thanks to the powerful battery of the headphones, you can play your favorite music for up to 3 hours before needing to recharge them. More than just listening to music. In addition to listening to music, you can also take important calls directly with the Bluetooth In-Ear Headset. The caller's voice is transmitted to the left earbud, and thanks to the built-in microphone, you can respond in clear quality without having to use your phone.