Specifications

Wearing style

True Wireless stereo earbuds

Ear coupling

ear-canal

Frequency response

5 Hz to 21 kHz

Transducer principle

dynamic

Transducer size

7 mm

Sound pressure level (SPL)

107 dB (1 kHz/0 dBFS)

THD (1 kHz, 94 dB SPL)

< 0.08 % (1 kHz/94 dB)

Noise cancellation

Hybrid ANC technology

Microphone principle

MEMS

Microphone frequency response

100 Hz to 10 kHz

Microphone pick-up pattern (speech and ANC)

2 microphones per earbud

beamforming array for active noise cancellation

Power supply

built-in lithium rechargeable batteries:

earbuds (R and L):
3.7 V , 55 mAh, 0.204 Wh or
3.8 V , 72 mAh, 0.274 Wh

charging case: 3.7 V ,
400 - 420 mAh, 1.55 Wh max.

input:

earbuds (R and L): 5 V ,
max. 100 mA

charging case: 5 V ,
max. 500 mA

output:

earbuds (R and L): none

charging case: 5 V ,
max. 100 mA x 2 (R and L)

Charging method via charging case

USB charging via USB-C socket:
5 V , 500 mA;

Qi wireless charging

Operating time

8 hrs with rechargeable battery of the earbud

28 hrs with rechargeable battery of the charging case

(test conditions: smartphone within 1 m distance, Bluetooth AAC codec, volume level 50 %, ANC off)

Charging time of rechargeable batteries

approx. 1.5 hours for full charge

approx. 10 minutes for 1 hour of music playback

Temperature range

operation: 0 to +40 °C

charging: +5 to +35 °C

storage: –20 to +60 °C

Relative humidity

operation: 10 to 80 %, non condensing

storage: 10 to 90 %

Magnetic field strength

earbuds: 53.7 mT

charging case: 101.7 mT

Ingress protection of the earbuds

splash proof (IP54)

Weight

earbuds: approx. 5.5 g each

charging case: approx. 41 g

both earbuds and charging case: approx. 52 g

Version

Bluetooth 5.3 certified, class 1

Transmission frequency

2,402 MHz to 2,480 MHz

Modulation

GFSK, π/4 DQPSK, 8DPSK

Profiles

AVRCP, A2DP, HFP, TMAP, PBP

Output power

10 mW (max.)

Codec

aptX™, AAC, SBC, Auracast™ Broadcast Audio, LC3

Device name

ACCENTUM TW

Number of active connections

2