Bluetooth Version: V4.2+EDR
Operating Distance: 10m
Support agreement: A2DP1.2, HFP1.6, AVRCP1.4, HSP
Frequency: 20Hz-20 KHz
Impedance :32Ω
Battery: Rechargeable polymer lithium-on battery
Charging time: around 2hours
Working time: about 4 hours
Standby time: about 200hours
Feature: Support TF card MP3, FM Radio, BT, AUX