Product Name: Voyager HiFi Bluetooth Neckband Wireless Earphone

Bluetooth Version: Bluetooth 5.2

Bluetooth Protocol: A2DP/AVRCP/HFP/HSP

Charging Plug: Type-C

Bluetooth Range: About 15 meters (Barrier-free Open Environment)

Charging Time: About 2 hours

Battery Life: About 12 hours (The Laboratory Data)

Codec Protocol: LHDC/aptX HD/aptX Adaptive/aptX/AAC/SBC

Effective Frequency Response: 20Hz-20kHz (IEC60318-4, 3dB)

THD+N: THD@1kHz≤0.1%