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ProductsExcellent sound quality/perfect present
STM-BT313

Detailed introduction

*ENC 

*Correspond With: Bluetooth V5.1 AC6973 D8

*Support:A2DPv1.3,AVRCPv1.6,HFPv1.7,HIDv1.1,AVCTPv1.4,AVDTPv1.3,SPPv1.2
*Talk time: 5.0Hours(ENC ON)
*Music time: 6.0Hours
*Standby time: 100Hours
*Charge time: 1.5Hours
*Bluetooth range: 10m
*Battery:  DC3.7V 40mAh*2
*Speaker type: Φ13mm
*MIC: -42dB±3dB
* Built-in lithium battery:500mAh
*Size:57.0*49.0*26.0mm  

The product has "OVP"24V voltage protection, ESD electrostatic protection, "0" volts can be charged circuit, NTC protection;POGO PIN gold plating 10U.

Compound membrane horn, low frequency, middle and high frequency clear and not harsh!

Ergonomic design, wear comfortable, no sense of pressure!


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