供应单声道蓝牙耳机BH19

* Bluetooth Specification v2.1+EDR class 2

* The latest version of A2DP1.2 and AVRCP1.0 profiles support

* Supports Bluetooth Headset and Hands-free Profile?¨HFP 1.5??

* RF Frequency Range: 2.402-2.480GHZ, 2.4G ISM band

* Radio Performance: Receive Sensitivity of -90dBm, TX Power Max 4dBm

* Frequency Response: 20 Hz - 20 KHz, Very high Signal to Noise Ratio (SNR):95 Db, Total Harmonic Distortion (THD):0.1%,

* 3 Button design: MFB, VOL+, VOL-,

* LED Indicator Status: Blue, Red

* Rechargeable 80mAh Li-Polymer Battery

* Micro 5PIN USB charging Port

* Charger adapter Output: DC 5V&200mA

* Nominal charging time: Max 1.5 hours

* Talk time: Up to 4 hours

* Standby time: Up to 90 hours

* Operating Temperature: -100C - 500C

* Storage Temperature: -200C - 800C