Bluetooth specification:Bluetooth 5.0
Chipset: Jieli
Bluetooth profiles supported: HSP,HFP,A2DP and AVRCP
Operating distance: 10meters
Working time: 15 hours
Charging time: about 2-4 hours
Standby time: 120 hours
Battery: polymer lithium -ion battery 3.7 V, 400MA/h
Charge input voltage: DC 5V
Speaker:φ40mm
Sensitivity: 108dB SP.L at 1K Hz
Frequency range:20Hz - 20,000Hz
Impedance: 32 ohms
Contact:Roy Mao
Tel:13794494366
QQ:13188679
Skype:roy_mao2003
E-mail:roy.mao@szunison.cn
Factory address: 7Fl,Building B, Hongxinbao Industrial Park, Qiaolong Village, Tangxia Town, Dongguan City, China