Energy Sistem True Wireless Earphones Serenity ANC with Built-in Microphone, Bluetooth, Lavender, ANC

USB Type-C charging port: Yes
Width: 64 mm
Weight: 40 g
Height: 50 mm
Depth: 25 mm
Suitable for indoor use: Yes
Control type: Touch
LED indicators: Yes
Product colour: Lavender
Protection features: Splash proof
Recommended usage: Calls/Music
Suggested gender: Boy/Girl
Wearing style: In-ear
International Protection (IP) code: IPX4
Product type: Headset
Headset type: Binaural
Plug and Play: Yes
Control unit type: On-ear control unit
Works with the Google Assistant: Yes
Suitable for outdoor use: Yes
Clear sound: Yes
Works with Apple Siri: Yes
Music playback: Yes
Package type: Hanging box
AC adapter included: No
Cables included: USB Type-C
Quantity: 1
Charging case connector type: USB Type-C
Charging case capacity: 500 mAh
Charging case: Yes
Frequency band: 2.4 GHz
Connectivity technology: True Wireless Stereo (TWS)
Bluetooth profiles: A2DP, AVRCP, HFP
Bluetooth: Yes
Wireless range: 20 m
Bluetooth version: 5.4
USB connector: USB Type-C
USB connectivity: Yes
Continuous audio playback time: 5 h
Battery technology: Lithium Polymer (LiPo)
Battery capacity: 40 mAh
Battery recharge time: 1 h
Battery type: Built-in battery
Battery operated: Yes
Battery charge indicator: Yes
Continuous audio playback time (ANC on): 5 h
Input voltage (charging case): 3.7 V
Battery capacity (charging case): 500 mAh
Input voltage (earpieces): 3.7 V
Battery technology (charging case): Lithium Polymer (LiPo)
Microphone sensitivity: -38 dB
Microphone type: Built-in
Microphone frequency: 100 - 10000 Hz
Headphone frequency: 20 - 20000 Hz
Total Harmonic Distortion (THD): 1%
Noise reduction: Yes
Ear coupling: Intraaural
Intraaural headphones type: Earbuds
Impedance: 32 Ω
Driver unit: 1 cm
Driver type: Dynamic