The GreenLion EchoMax Headphones deliver premium audio with Bluetooth 5.3 connectivity and a 10-meter wireless range. The 40mm drivers with 102dB sensitivity produce balanced, high-fidelity sound across a 20 Hz–20 kHz frequency range. A 500 mAh lithium-ion battery powers up to 50 hours of playback at moderate volume, with dual USB-C and USB-A charging options for convenience. Built-in microphone enables seamless calls. Available in striking black and orange color, these headphones combine durability with refined sound quality for everyday listening use.