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Manufacturer
RichGo Technology (Shenzhen) Co. Ltd.
Wearing style
True Wireless Earphones
Ear coupling
Ear canal
Frequency response
20 Hz to 20KHz
Transducer principle
Dynamic driver
Transducer size
Φ13mm Dynamic
Sound pressure level(SPL)
94dB±3dB
THD (1 kHz, 94dB SPL)
<5%
Impedance
16Ω±15%
Max output power(Driver)
5mW
Microphone principle
MEMS x 2
Microphone frequency response
20Hz to 20K Hz
Microphone sensitivity
-42±3dB
Microphone pick-up pattern (speech audio)
1 mic
Power supply
Built-in Lithium rechargeable batteries, 3.7V
Left earbud: 40mAh
Right earbud: 40mAh
Charging case: 350mAh
Type-c charging via type-c socket of the charging case: 5V, 300mA
Operating time
*5hrs of music playback via A2DP using the rechargeable earphones and 20hrs in total using the rechargeable charging case.
The Battery life depends on device settings, environment, usage and many other factors.
Charging time
Earphones: approx. 2hours
Charging case: approx. 2 hours
Temperature range
Operation: -10 to +50°C
Storage: -10 to +50°C
Relative humidity
Operation: 10% to 85%. Non condensing
Storage: 10% to 85%. Non condensing
Ingress protection of the earduds
IP44
Weight
Left earbud: approx. 3.6g
Right earbud: approx. 3.6g
Charging case: approx. 30g
Volume control
Yes
Version
Bluetooth 5.1
Transmission frequency
2.402 GHz to 2.480 GHz
Modulation
GFSK, π/4 DQPSK.8DPSK
Profiles
HSP, HFP, AVRCP, A2DP
Output power
3mW (max)
Codec
SBC
Effective range
Line of sight approx. 30ft (10m)
Number of storable Bluetooth devices
Nine devices