描述
Product number: FWEB502
* BT Ver: WT4.2
* Rang: 33FT / 10M
* Lithum Battery: 40mAH * 2
* Voltage: 3.3-4.2V
* Power: 5mW * 2
* Play time: 2H
* Charging time: 1-2H
* Charging way: Micro USB 5V
* Frequency Response: 20Hz-20KHz
* Support: HFP / HSP / A2DP / VCRCP
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