[Ultra-long standby] With a built-in 800 mAh battery, the neckband Bluetooth headset with microphone has a battery life of up to 100 hours. The wireless headset allows you to enjoy wonderful music while traveling and doing sports without worrying about running out of power. [Bluetooth 5.3 Technology and HD Digital Display] The wireless headset adopts the latest Bluetooth 5.3 technology to provide high-fidelity audio, more stable connection and stronger signal transmission. Compatible with iOS and Android devices, tablets, laptops, TVs, etc. The LED screen monitors the headset power and status in real time. [Ergonomic Comfort] The neckband Bluetooth headset has a lightweight silicone neckband to ensure a close fit on the shoulder and excellent shape retention. [Easy to carry] The magnetic wireless headset is lightweight and foldable, so you can carry the headset with you, with a portable case. [Inline control button] Whether you want to adjust the volume, change songs or answer a call, you can operate it through the control button without touching the phone. More functions, such as activating Siri, can connect two devices at the same time. Note:Due to different factory batches, there are slight differences in the color and appearance of product accessories, but it will not affect normal use. Colour:Black Material:Silicone Package Contents: 1 * Neck-hanging Bluetooth headset 1 * USB charging cable Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.