HMC-K08
Product Features and specifications

Features：
1）Sharp rising Hi-energy sound with Titanium 10mm dia.
2）The style of the battery case is fixed with a clip to prevent
      the battery box from shaking
3）Equipped with an embedded controller that can operate
      music, animation, and talk on the ear

Communication system :                  Bluetooth version 4.2
RF power output :                               0.7mW EIRP
Maximum communication range :   Line of sight - approx.10m(33’)
Frequency band :                               2.4GHz(2.402 GHz to 2.480 GHz)
Support codec :                                   audio,AAC,SBC
Type :                                                    Dynamic
Driver:                                                 10mm
Sensitivity :                                         108 dB/mW
Frequency response :                       5 to 20,000 Hz
Impedance :                                       16 Ω
Operating time :                                 Continuous transmission time including
                                                             music playback time:Max approx. 5 hours* 
                                                             Continuous standby time:Max approx. 200
                                                             hours*
Other
Power supply :                                   DC 3.7 V lithium polymer battery
Charging time :                                  Approx. 2 hours*
Operating time :                                Continuous transmission time
Continuous standby time :              Max.approx.200 hours*
Weight :                                              17 g(0.6 oz)

Accessories：
USB charging line (Type-A/Micro USB Type-B)
EarPiece(S,M,L)、
Clip，
Storage bag