SHOKZ OPENSWIM PRO

Battery:
9 hours Bluetooth play, 6 hours MP3, 90-minute full charge, and 10-minute quick charge = 3 hours of play

Connectivity:
Bluetooth V5.4, supports AAC & SBC, range of 33 ft (10 m), compatible with A2DP, AVRCP, HFP

Features:
MP3 + Bluetooth dual mode, auto power-off in standby, built for all-day comfort with premium silicone and nickel-titanium alloy

Sound & Mic:
Frequency Response: 20Hz–20KHz, 105 ± 3dB speaker sensitivity, -38dB mic sensitivity for clear communication