Article number (SKU): 508973 (black), 508974 (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): 110 dB (1 kHz/0 dBFS)
Total harmonic distortion (THD): < 0,08 % (1 kHz, 94 dB SPL)
Frequency response (microphone): 100 Hz to 10 kHz
Battery supply: built-in Lithium rechargeable batteries, 3.7 V
Microphone pick-up pattern: 2-microphone beamforming array
Charging time: 1.5 h for full charge / 15 min for 1 h playtime
Battery supply (earbuds): 55-72 mAh
Battery supply (charging case): 400-420 mAh
Charging port: USB charging via USB-C socket of the charging case
Operating time (earbuds): 9 hrs
Operating time (charging case): 27 hrs
Charging time: approx. 1.5 hrs
Bluetooth version: Bluetooth 5.2
Bluetooth profiles: HFP, AVRCP, A2DP
Bluetooth Audio Codec: aptX®, AAC, SBC
Bluetooth output power: 10 mW (max)
Active Noise Cancellation: false
Weight (earbuds): 6g
Weight (charging case): 37g
Temperature range (operation): 0 to +40°C
Relative humidity (operation): 10 to 80%, non condensing