Bluetooth version: V5.0+DER
Transmission distance: 10 m
Frequency response range: 20HZ-20khz
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Speaker: 10 mm
Impedance: 32 Ω
Talk time: about 4 hours
Music playing time: about 3 hours
Standby time: about 22 hours
Charging time: ≤2 hours                             

Functions: Adjust the volume, switch songs, call answer, call reject, hang up, Bluetooth playback, phone replay, voice prompt, Bluetooth callback, battery display, intelligent shutdown,

Speaker: 6 steel magnetic field
Tank gauge: 56 * 38.5 * 36.5 CM
Quantity: 100 pieces/piece
Net weight: 5 kg
Gross weight: 7 kg

Packing size: 8*4*16
Product weight: 50G