**Product Specifications:**

**Brand:** NINTAUS

**Model:** K10

**Recording Format:** WAV

**Capacity:** 8GB/32GB/64GB/128GB

**Display Screen:** 0.87 inches

**Recording Method:** One-click recording, one-click save

**Recording Duration:** 7 hours

**Standby Time:** Approximately 360 days

**Operating Temperature:** -5°C to 40°C

**Battery Capacity:** Polymer lithium battery

**Dimensions:** Diameter 3.7cm, Thickness 1cm

**Weight:** 18g

**Features:**

Champion recommended, quality selected

Endorsed by Guo Dan, World Champion in Roller Skating

Compact design with outstanding performance

New design for a unique user experience

Recording with timestamp feature

Voice-activated recording and automatic pause

DSP high-definition noise reduction for superior recording quality

Long-lasting battery life with lithium battery

Automatic file saving and shutdown to prevent data loss

One-click recording for easy operation

Password protection for file security

Connectivity with smartphones for file management and playback

**Note:** The above specifications are based on tests conducted in the factory's research laboratory and may vary due to different usage environments. Actual specifications prevail.