● Hardware Type: CSR BlueCore04 Compliance Ver.2.0
● Input Power 5V DC, 100~240VAC adapter
● Charge Time 2 Hours (By 5V Power Adapter) for Rechargeable
   Li-Polymer Battery
● Talk Time Up to 4 Hours,Standby Time Up to 120 Hours
● Spread Spectrum Frequency Hopping Spread Spectrum (FHSS)
● Frequency Rang 2.402 - 2.480GHz (2.4GHz ISM Band)
● Operating Range: Wireless Communication within 10 meters
● Dimension: 50 x 20 x 12 mm
● Weight: 10g
● LED indicator Status Blue: Power on mode of full charged