Support:A2DP,HSP,HFP,AVRC
10mm High quality speaker
20-20kHz,50mW,110+-3dB
85mAH battery inside
Working time:4-6 Hours
Charging time: 1-2H
Distance:10m
Bluetooth : CSR 4.0  8635 IC
Power on/off, forward/next
Volume+/-;play/paused
UV or Rubber paint on surface
User manual, USB line
Gift box with lister window