R190 Pro TWS Digital In-ear Wireless Bluetooth Headset(Roland Purple)

1. Material: ABS, electronic components2. Function: battery display, call function, voice control, support for music, multi-point connection3. Bluetooth version: V5.04. Transmission distance: 10 meters5. Battery capacity: earphone: 40mAh lithium battery, charging compartment: 300mAh lithium battery6. Charging time: about 1.5H7. Playing music duration: about 4H8. CD fingerprint touch design, more convenient operation9. LED intelligent digital display design, easy to observe the power10.IPX5 waterproof, more safe and secure11. Tri-frequency adjustment, bringing a full and three-dimensional listening experience on the spot