Function Voice control, call function, support music, multi-point connection
Bluetooth protocol 5.0
Channel stereoBluetooth chip: Bluetooth 5.0 chip

Audio decoding: apt-X, AAC, SBC
Quick pairing: Bluetooth quickly connects back
Bluetooth distance: >30 feet (10 meters)
Wired control: 3.5mm
Battery capacity: 350mAh polymer battery
Charging time: about 2 hours
Endurance: about 24 hours
Speaker unit: 40mm composite film
Speaker impedance: 320
Frequency loudness: 2400 2485MHz
Sensitivity: 110dB/mv
Distortion THD: <0.5% (1kHz, 100db SPL)