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TWNT-R551
· Bluetooth Version: V4.1
· Music Time:5H
· Talking Time: 6H
· Standby Time: 160H
· Charging Time:2H
· Size: 67*14*24mmmm
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· Bluetooth Version: V4.1
· Music Time:5H
· Talking Time: 6H
· Standby Time: 160H
· Charging Time:2H
· Size: 67*14*24mmmm