1、Equipped with a powerful BT 5.0 chip, it resists electromagnetic interference during exercise and makes running more comfortable. 2、Soft skin-sensitive silicone collar material, even if randomly bending, memory rebound and not easy to deform. 3、10mm large dynamic coil, excellent triple frequency balanced listening experience and polymer material diaphragm, allowing for deeper low-frequency diving, reducing distortion, and better detail performance. Features: Equipped with a powerful BT 5.0 chip, it resists electromagnetic interference during exercise and makes running more comfortable. Soft skin-sensitive silicone collar material, even if randomly bending, memory rebound and not easy to deform. 10mm large dynamic coil, excellent triple frequency balanced listening experience and polymer material diaphragm, allowing for deeper low-frequency diving, reducing distortion, and better detail performance. High definition call technology, deep learning neural network noise reduction algorithm to separate environmental noise and call human voice, even if the surrounding environment is noisy, your call is still clear. Dual headphone housing with magnetic suction design, to avoid ear phone winding, to prevent drops. Specifications: Brand: Lenovo Model: xe05 BT: BT5.0 Battery: 3.7V 105mah Charging Time: 1.5h Working Time: 8h Horn Size: 10mm BT Transmission Distance: ≥10m Package Size: 27*15*5cm Package Weight: 100g Package List: 1* Earbuds 1* Charging Cable 1* Earbuds 1* Charging Cable