HNB V5.3 MODEL:HB-21

PRODUCT PARAMETERS PRODUCT MATERIAL: ABS EARPHONE DISTORTION: 1K/5% TALK TIME: 5H HORN IMPEDANCE: 32 Ω CONNECTION DISTANCE: 10M PLAYING MUSIC: 4H CHARGING VOLTAGE: 5V FREQUENCY RESPONSE RANGE: 20HZ-20KHZ CHARGING BOX BATTERY CAPACITY: 1200MAH HORN DIAMETER: 10MM CALL SENSITIVITY: 42DB/±3DB EARPHONE BATTERY CAPACITY: 40MAH