Bluetooth 5.3 Headset HIFI With Excellent Audio Quality Long Battery Life Foldable And Pluggable Card Wired/Wireless Connection Features: HIFI sound effect: using a 40mm large unit, the sound is truly restored with thorough sound quality, on-stay sound effect, and deep restoration of sound details; Upgrade the sound chamber, greatly improving the accuracy and sound quality, while expanding the sound field and enhancing the elasticity of bass. Bluetooth 5.3: With the use of a new Bluetooth chip, music calls tend to have no latency, lower power consumption, more power saving, more stable calls, and clearer sound. Long lasting endurance: Large capacity battery, 16h ultra long endurance; Type-c fast charging, with a charging time of approximately 1.5 hours. Adopting low-power micro power technology to meet the listening needs of most environments. Comfortable to wear: Earmuffs are made of comfortable materials, which are breathable and not stuffy during daily wear. The earphone arm is made of upgraded material, made of metal that is more, suitable for various head shapes, and can be adjusted for comfortable wearing length. The earphone arm adopts a foldable design, making the earphones smaller and more portable, making it convenient for you to carry around. Multiple usage methods: card insertion, cable insertion, and Bluetooth connection. When switching to wired mode, you need to prepare a device with a 3.5mm interface to make your use more convenient. Product Description: Product name: Bluetooth Headset Material: Plastic Product color: White Product size: 18x16.5x7.3cm/7.1x6.5x2.9 in Package size: 18.1x12.3x8.1cm/7.13x4.84x3.19 in Net weight: 150 g/0.33 IBS Gross weight: 283 g/0.62 IBS Bluetooth: 5.3 Connection distance: 10 meters Charging time: 1.5h Battery: 600mAh Endurance: 16h Usage mode: Bluetooth/card insertion/cable insertion Package Content: 1x headset 1x Charging Line 1x English Instructions Bluetooth earbuds; wireless earbuds; earbuds wireless bluetooth earbud & in-ear headphones; wireless bluetooth earbuds bluetooth wireless earbuds; wireless ear buds; wireless bluetooth earphones sports headphones; waterproof headphones headphones wireless bluetooth; bluetooth headphones