Portable TWS Stereo Earbuds ST11

Bluetooth specification:
Realtek8763B(5.0)/ Bluetrum
Frequency:2.4G
Support:HSP1.2,HFP1.6,A2DP1.3,AVRCP1.5
Bluetooth distance: 10meters
Sound channel: Stereo
Speaker sensitivity: 105dB
Microphone sensitivity: -42±2db
Frequency: 20-20KHz
Earbuds speaker size: Φ8mm
Impedance 32ohm
Earbuds battery: Li-polymer Battery-50mAH
Play time: 5hours
Earbuds charge time: 1.1hrs
Charge voltage:5V
Charge case battery: 600mAh
Charge case charge time: 2hrs

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