Bluetooth Version: V5.3
Wireless Range: 10 meters
Frequency Range: 2.402 – 2.480 GHz
Speaker Size: 10mm (deep bass sound)
Sensitivity: 105±3dB at 1kHz
Frequency Response: 20Hz – 20kHz
Battery: 200mAh (IC protection alew)
Play Time: 10–15 hours
Charging Time: about 1.5–2 hours
Charging Port: Micro USB
Design: Flexible neckband, light weight, comfortable
Compatibility: Android, iPhone, tablets, laptops (Bluetooth