Features:
• Built-in super large-capacity 150mAh polymer lithium battery, playing time is about 6 hours.
• The earphone is tuned by an audio engineer with ten years of work experience. High-quality 9D stereo
• Pure stereo audio, with rich bass, clear midrange, treble balance and high definition. 360-degree bass surround sound.
• It is comfortable to wear and does not fall off. Built-in magnet prevents wires from tangling.
• With Bluetooth 5.0, compatible with iPhone or Android smart phones, built-in microphone.
