Bluetooth Standard
Bluetooth v5.4
Waterproof Standard
IPX-4
Place of Origin
Guangdong, China
Working frequency
2.402-2.480GHz
Support protocol
A2DP/AVRCP/HFP/HID/AVCTP /AVDTP, and SPP
Transmission distance
15M [barrier-free]
Response frequency
20~20000Hz
Speaker unit
F12 titanium alloy film, 32Ω±15%, 7.118±3DB 5mW
Microphone
2718 silicon microphone -42±3dB
Charging input standard
Contact, DC4.75-5.25V/600MAH
Battery type
3.7V polymer battery
Charging case size
65.5*49.9*27.2cm
Earphone size
18.1*20.1*29.3cm