TOPNEX product
AXL219-C
Material: APS+PCType of Battery:Polymer Li-ion BatteryBattery Capacity: 20000mAh/77WhPower Display: Segment...
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Bluetooth Version:V5.3
Speakers : φ13mm
Battery: 30+30+200mAh
Sensitivity: 103±3dB
Play time: 5H/Charging Time: 2H
Frequency range: 20Hz~20kHz