AE-136W
*  Type: Bluetooth, Vimicro WX/ WS9626ABSDF
*   Metal / wireless in-ear stereo headphones
*  Advanced 10mm drivers
*   Dynamic Frequency response:20-18KHz
*  BT frequency range: 2402-2480MHz
*  BT transmitter power: < 4dBm
*   BT transmitter modulation:GFSK,8DPSK, π/4DQPSK
*  Support BT4.1,A2DPv1.0,AVRCPv1.3,HSPv1.0;HFP v1.6
*   Maximum SPL: 98dBSPL @ 1KHz
*  Rated Power Input: 3mW
*  Microphone sensitivity: -38dBV/Pa @1KHz
*  Dimensions: 33mm x 18mm x 25mm
*   Weight: 12.8g
*  Battery type: Rechargeable Lithium IonCylindrical Cell (3.7V 40mAh×2)
*  Battery charge time: 2.5 hrs
*  Music playing time: 4.5 hrs
*  Talk time: 5 hrs