Features: 1:Three massage modes, 15 intensity adjustments, can meet your different massage needs. Intelligent artificial massage can be combined according to personal preferences and body pressure. Not only can music, but also massage. Mode 1: Acupuncture mode, suitable for pillow neck injury. Mode 2: The knock mode is suitable for chronic cervical strain. Mode 3: Massage mode, suitable for daily neck maintenance. 2:Headphone function: adjust the volume, switch songs, voice calls, Bluetooth play. 3:HiFi sound quality: 15mm diameter meets the sound unit, the performance is greatly improved, shocking three-dimensional sound effects, real-scene experience. 4:Long-capacity: Large-capacity lithium battery, meets the need for a musical game, and the outdoor is not afraid of power off. 5:Bluetooth 5.0: The Bluetooth 5.0 chip is stable without delay, the transmission distance is farther, the sound quality resolution is higher, and the production is more dynamic. 6:Folding receiving: Folding is more convenient to travel. 7:Active noise reduction: Don't worry about listening to music or talking, there is noise interference you, please feel free to use. Parameter: Material: PC, silicone Color: White / Black Battery: 750mAh polymer battery Bluetooth version: v5.0 Continuous play: 70 hours Standby time: 550 hours Effective connection distance: 10-15M Charging interface: USB Accessories: Smart Neck Massager * 1 / Numinal Ear Hat * 1 / Charger * 1 / Manual * 1 Weight: 0.113kg Note: 1. Due to differences between different displays, the picture may not be able to reflect the actual color of the project. We guarantee that the style is the same as the picture. 2. For different manual measurements, please allow some dimensional differences.