Intense bass and clear call: The 13mm diameter speaker of the wireless Bluetooth headphones provides a powerful and wide sound range, making the treble full of dynamics and the bass powerful as if you were in the music scene! With the included noise reduction microphone, the Bluetooth headphones in ear effectively filter outside noise, reducing the loss of sound quality by 50% and retaining more details of the sound, it makes the call clearer. Bluetooth 5.3 technology, one-step pairing: The bloototh headphones use Bluetooth 5.3, with excellent compatibility and stability. Compared to the previous generation, it has 2x the connection speed and only 1/3 the power consumption. The so that you can enjoy continuous and stable connection even in areas with complex signal (places with lots of people, such as subways and buses). When you open the lid, it is automatically connected to the last paired device LED digital display and 40 hours playtime: The double digital LED power display on the outside of the case shows the charging status of the case and headphones, and which shows exactly how much charge is left in the charging case. The in-ear earbuds support 8 hours of continuous playback for a single use when fully charged, and the charging case provides 40 hours of additional playtime for the wireless headphones. Suitable for sports/work/study/relaxation. Touch control, dual mode, universal compatibility: Bluetooth headphones are equipped with a highly sensitive touch sensor, to reduce the pressure on the ears, you only need to use the earbuds lightly touch to achieve multiple functions. Each over-ear headphone can be used individually or in two-channel mode. Bluetooth headphones compatible with most Bluetooth music players including iOS, Android smartphones, PC and Mac. Special festival gifts for women/men/self. Comfortable fit, lightweight design and I-PX7 Waterproof: 45 half-in-ear design makes the USB c headphones fit tightly in the ears Single-sided headphones only weigh 3g, you will not feel tired and painful even if you wear these sports headphones for a long time. The mini charging case is smaller and lighter than an egg. It can easily fit in your pocket. Noise canceling headphones feature I-PX7 protection to withstand daily splashes, sweat and rain.