• 【Hi-Fi High Sound Quality・Low Latency & Large Diameter 40mm】With a powerful 40mm stereo driver and an advanced Bluetooth 5.3 chip, the connection latency is as low as 0.1 seconds, providing a balanced output from bass to treble, offering you deep hi-fi bass and clear treble Large earmuff design enhances sound insulation, allowing you to enjoy clear sound quality quietly even in noisy environments It is most suitable for listening to music, watching videos, making a web call conference, and making calls • Ultra Lightweight & Comfortable to Wear, Foldable: B01-S wireless headphones combine ergonomic design and elastic adjustments, so the earmuffs fit your head Weight 0.188 kg, uses high-quality PU protein leather, soft and comfortable, providing a comfortable experience as if no earphones were being worn Even if you wear it all day, there is almost no discomfort such as feeling of pressure or stickiness Foldable design not only saves space but also makes it easy to carry around • Wireless and Wired Compatible, Can Connect 2 Devices Simultaneously: Wired connection and Bluetooth wireless connection Adopting stable connection and low latency Bluetooth 5.3, this headset can connect to two Bluetooth devices simultaneously, and both can be easily switched, supporting both calls and music playback • 【46 hours of continuous playback & easy operation】With the built-in 1000mAh battery, a full charge allows for 46-60 hours of music playback Or with a 3.5mm audio cable & wired connection available: In case the battery is low, you can use the included φ3.5mm audio cable to connect it with your smartphone or tablet via a wired connection Charge using a USB-C charging cable Compatible with various devices such as smartphones, tablets, computers, and TVs • 【Safety Assurance & Best Gift】Each TYUW headset passes at least 5 assay indexes: function test -> safety test -> condition test -> packing -> double check -> product output We guarantee to provide you with qualified products A 6-month replacement warranty is provided This headset will be a precious, thoughtful, and highly practical gift for your best friend, loved one, or even your mom! If you have any questions, please contact us