Riversong Airfly L3 TWS Earbuds Hi-Fi sound quality offers great sound quality for perfect communication and incredible music experience. Product details Brand: Riversong Model: Airfly L3 Light and compact design Comfort-fit wearing HD Sound Long battery life Blutooth version: V 5.0 Frequeny response: 20Hz-20KHz Connection distance: 10 m Speaker Size: 13mm Input Voltage: 5V-200mA Earbuds battery: 40mAh Charging battert: 300mAh AI Environmental Noise Cancellation Block out unnecessary noise with AI ENC 30Hrs Playtime 120 hr Standby Time Charging port: Type C Net weight: 43g Warranty: 1-year manufacturer warranty Note: Color depends only on stock availability