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Manufacturer
RichGo Technology (Shenzhen) Co. Ltd
Wearing styles
Wireless Headphones
Ear coupling
Circumaural
Frequency response
20 Hz to 20kHz
Transducer principle
Dynamic, closed
Transducer size
40mm
Sound pressure level(SPL)
106dB(1kHz/ 1mW)
Impedance
32½
Microphone principle
ECM x1
Power supply
Built-in Lithium rechargeable batteries, 3.7V, 500mAh
Operating time
Up to 40 hours* (music playback via A2DP) *Total listening time varies by volume and content.
Charging time
Approx. 3 hours
Weight
Approx. 197g
Volume Control
Yes
Version
Bluetooth specification version 5.0
Profiles
HFP, AVRCP, A2DP
Effective Range
Line of sight approx. 30ft (10m)
Transmission frequency
2402MHz to 2480MHz
Supported Audio Format(s)
SBC