Silent D ming Solution: The virtual air d set offer a noiseless solution for those in need of silent practice, providing a no-noise environment perfect for limited spaces or situations where quietness and zero-latency d ming are essential D ming Practice Tool: These electric air d sticks as an ideal practice inst ent for learning to play the d s. They allow for in-between-lessons practice even when access to a full d set isn't possible, making them perfect for mastering coordination and timing, as well as developing solid technique Compact : The electronic virtual air d d sticks pedals boast a compact and innovative design that ensures a responsive d ming experience, allowing for instantaneous playing and musical creation, suitable for all ages and skill levels Quiet Learning Aid: The virtual reality d kit provides a silent way to practice and learn d ming without disturbing others, making it ideal for use in apartments, dorm rooms, or late at night Zero Latency Playing: Designed for a seamless musical experience, these smart electronic d sets fast and accurate response with zero latency, enabling musicians to perform and compose music without interruption or delay D Pad: 5 Stick size: 320mm (12.60in) x 18mm (0.71in) D stick battery capacity: 400mAhadapter, 2 d sticks Audio converter dimensions: 61mm (2.40in) x 33mm (1.30in) x 14mm (0.55in) Audio converter battery capacity: 1200mAh Colour:As Shown Material:plastic Package Contents: 1 * adapter 2 * d sticks 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.