DONGGUAN RT67 TWS Earbuds User Manual
DONGGUAN RT67 TWS Earbuds Product Information Specifications Dimensions: 50 x 110mm Weight: 80g Input: 5V-700mA Battery Capacity: 90mAh x 2 (earbuds), 1000mAh (charging case) Playtime: Up to 11 hours (50+ hours with the charging case) Frequency Response: 20Hz-20KHz Bluetooth Version:…