CKruixin Airpods BT37

Connectivity: Bluetooth v5.3 / v5.4 wireless technology for stable low-latency streaming.

Form Factor: In-ear true wireless (TWS) or flexible sports neckband build.

Audio Enhancement: Basic Environmental Noise Cancellation (ENC) designed to block out ambient crowd noises during voice calls.

Waterproof Rating: IPX-5 or IPX-6 splash-proof standard, making it safe against light rain or gym sweat.

Playback Battery Life: 3 to 5 hours of continuous runtime on a single earbud charge.

Total Battery Life: Up to 20+ hours when periodically top-charging through its accompanying storage case.

Charging Port: Type-C fast-charging universal interface.

Recharge Duration: Approximately 1 to 3 hours to fill a completely depleted battery.