Energy Sistem Serenity Bluetooth wireless headphones with microphone ANC
Audio
ANC - noise reduction: -30 dB
Speaker diameter: 10 mm
Type: dynamic
Impedance: 32 Ω
Latency: 200 ms
Frequency response: 20 Hz ~ 20 KHz
THD (< 1%): Yes
ANC — frequency range: 20 Hz ~ 1 KHz
Connectivity
Voice assistant (Google, Siri): Yes
Bluetooth version: 5.4
Bluetooth — class: 2
Bluetooth — frequency range: 2.4 GHz
Bluetooth profiles: A2DP / AVRCP / HFP
Bluetooth range: 20 m
Compatible Bluetooth codecs: AAC / SBC
Bluetooth - maximum output power: < 20.00 dBm
TWS technology: Yes
Battery
Charging system: USB Type-C
Type: LiPo
Capacity: 40 mAh
Voltage: 3.7 V
Battery life - Normal use: 5 h
Battery life — ANC ON + MUSIC ON: 5 h
Charging time: 1 h
Charging case: Yes
Type (charging case): Li-Po
Capacity (charging case): 500 mAh
Voltage (charging case): 3.7 V
Battery life (charging case): 20 h
Charging time (charging case): 2 h
Microphone:
Hands-free mode: Yes
Microphone - type: built-in
Microphone - Sensitivity: -38 dB ± 3 dB
Frequency response: 100 Hz ~ 10 kHz
ENC: Yes
Power source:
Connector: Type C USB
Compatibility: Mac / PC Windows / smartphone / tablet / TV
Playback control: Yes
Volume control: Yes
IPXX certified: IPX4
Splash resistant: Yes
Size and weight:
Height: 50 mm
Width: 64 mm
Depth: 25 mm
Weight: 40 g
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