Wireless Earbuds with LCD Display TF Card Player for Computer Dark Blue Description: Foldable Bluetooth On-Ear Headphones: Our Bluetooth 5.0 headphones are made of lightweight and skin-friendly materials, so they provide long-lasting wear and provide a na connection distance of 10 meters. Wired headset with TF card slot: supports 3,5mm AUX and TF card playback mode for devices that do not have Bluetooth function. Headset with display: built-in 400 mAh battery provides 8 hours of listening time and about 15 hours of standby time. Intelligent Noise Cancellation: Built-in high-fidelity speakers and can produce a rich sound effect/stereo for computers, laptops and smartphones. Multi-color optional FM radio: comfortable wearing, easy operation with buttons, simple and fast. 10 different colors for you. Specification: Material: Size: approx. 12x8,1x11,3 cm/4,72x3,19x4,45 inch Distance: 10M Working: 3,34,2V Maximum power consumption: 45MA Speaker: 40 MM (high fidelity) Impedance: 32 ohms Frequency Response Range: 20 Hz 20 kHz Distortion: