Device (including the base, excluding the strap): 61.3 mm x 21.4 mm x 13.8 mm

Headset: 45.1 mm x 18.3 mm x 12.3 mm

*Product size, product weight, and related specifications are theoretical values only. Actual measurements between individual products may vary. All specifications are subject to the actual product.


Device: Approx. 30 g (including the strap)

Headset: Approx. 11.5 g

  • Black


0.91" OLED non-touch screen


Capacity: 91 mAh*

Maximum talk time: 6 hours

Maximum working time: 3.5 days (depends on user habits)

*Typical value. Actual capacity may vary slightly.

 This capacity is the nominal battery capacity. The actual battery capacity for each individual product may be slightly above or below the nominal battery capacity.

Water and dust resistance rating

IP 57

Bluetooth frequency

BT4.2, 2.4 GHz

External port

Micro-USB charging port


One side button

System requirements

Android 4.4 or later

iOS 8.0 or later