model:JI030
name:JI030 RUIYUN Series True Wireless Bluetooth Headphones
Speaker:Ф13mm composite film
Material:ABS+PC
Sensitivity:107 dB SPL +/- 3 dB
Frequency range:
20-20KHz ; Response speed: delay 50ms
Charging method:
TC input: 5V/1A
Solution: Jerry 6983D2, round mark
Bluetooth version: BT V5.4
size: 60.5*21.6*45.2mm
weight: 60.5g