Wearing style: True wireless earphones

Ear coupling: Concha

Frequency response: 20Hz to 20kHz

Transducer principle: Dynamic driver

Transducer size: 13mm

Sound pressure level(SPL): 108dB±3dB

Impedance: 32Ω

Microphone principle: MEMS 2+2

Power supply: Built-in Lithium rechargable batteries

Left earbud: 30mAh/3.7V

Right earbud: 30mAh/3.7V

Charging case: 300mAh/3.7V

Operating time: Up to 4hrs (music playback via A2DP

with 70% of the volume) with

rechargeable batteries of the earphones*

Up to 16hrs with rechargeable battery

of the charging case*

Charging time: Earphones: approx. 1.5hrs

Charging case: approx. 1.5hrs

Ingress protection (earphones): Anti-dust and splash proof (IP44)

Weight

Left earphone; approx. 3.6g

Right earphone; approx. 3.6g

Charging case; approx. 49g

Volume control: Yes

Bluetooth

Version: Bluetooth specification version 5.2

Profiles: HSP, HFP, AVRCP, A2DP

Effective range: Line of sight approx. 30ft(10m)

Transmission frequency: 2400MHz to 2483.5MHz

Output power: 3mW (max.)

Supported audio format(s):SBC

*Charging case that holds multiple charges for total playtime. Battery life depends on

device settings, environment, usage and many other factors.