Article number (SKU): 509188 (black), 509189 (white)
Wearing style: true wireless stereo earphones
Ear coupling: ear canal
Frequency response (speaker): 5 Hz to 21 kHz
Transducer principle: dynamic, closed-back
Transducer size: 7 mm, TrueResponse™
Sound pressure level (SPL): 114 dB (1kHz/0 dBFS)
Total harmonic distortion (THD): < 0,08 % (1 kHz, 94 dB SPL)
Frequency response (microphone): 100 Hz to 10 kHz
Microphone pick-up pattern: 2-microphone beamforming array
Battery supply: built-in Lithium rechargeable batteries, 3.7 V
Battery supply (earbuds): 55mAh
Battery supply (charging case): 400-420 mAh
Charging port: USB charging via USB-C socket of the charging case
Operating time (earbuds): 8 hrs
Operating time (charging case): 24 hrs
Charging time: approx. 1.5 hrs for full charge, after 10 min charging 1 hrs music playtime
Bluetooth version: Bluetooth 5.2
Bluetooth profiles: HFP, AVRCP, A2DP
Bluetooth Audio Codec: aptX®, aptX adaptive®, AAC, SBC
Bluetooth output power: 10 mW (max)
Active Noise Cancellation: true
IPX rating: IPX4
Weight (earbuds): 6 g
Weight (charging case): 37 g
Temperature range (operation): 0 to +40°C
Relative humidity (operation): 10 to 80%, non condensing