Celebrat T500-Pro-W (TWS) Modern Bluetooth Earbuds

Bluetooth Version: Bluetooth v5.1.

Drive Size: 13mm dynamic moving-coil speaker units.

Impedance Rating: 32Ω ± 15%.

Sound Sensitivity: 108dB ± 3dB.

Frequency Range: 20Hz – 20KHz.

Range Limit: ≥ 10 meters barrier-free transmission distance.

Earbud Batteries: 30mAh capacity per earphone.

Case Battery: 300mAh storage charging case.

Music Duration: ~4 to 4.5 hours continuous playback.

Call Duration: ~3.5 hours active talk time.

Standby Duration: ~90 days in sleep mode.

Input Power: DC 5V charger rating.

Recharge Duration: ~1.5 to 2 hours total time.

Earbud Design: In-ear profile with structural silicone tips.

Control Sensors: Smart capacitive stem-touch panels.

Audio Modes: Mono single-earbud / Stereo dual-channel switching.