M 278 Btb (ph 3987) Scene 01
M 278 Btb (ph 3987) Scene 02
M 278 Btb (ph 3987) Scene 03
M 278 Btb (ph 3987) Scene 04
M 278 Btb (ph 3987) Scene 05
M 278 Btb (ph 3987) Scene 06
M 278 Btb (ph 3987) Scene 01
M 278 Btb (ph 3987) Scene 02
M 278 Btb (ph 3987) Scene 03
M 278 Btb (ph 3987) Scene 04
M 278 Btb (ph 3987) Scene 05
M 278 Btb (ph 3987) Scene 06

M-278 BTB

Bluetooth Stereo Headphones

Also available in other versions

Sensitivity: 98dB±3dB
Magnet type: NdFeb
Frequency response: 20Hz to 20KHz
Impedance: 32Ω
Speaker diameter: 40 mm
Aux-in cable: 100cm
USB-C cable: 80cm

Bluetooth version: V5.0
Adjustable headband for maximum comfort
Music playback time: Up to 40 hours
(fully charged)
Charging time: 2 ~ 3 hours
Built-in rechargeable battery
(420mAH/3.7V)
Hands-Free

USB-C charging port
Aux in jack

Built-in rechargeable battery
(420mAH/3.7V)

USB-C charging cable
Aux in cable (3.5mm)
Pouch

M 278 Fb (ph 3987) Acc

193 mm (H) x 80 mm (W) x 167 mm (L)
Net weight: 0.24 kg

M 278 Bt Btb Btw Fb (ph 3987b) Line

220 mm (H) x 85 mm (W) x 210 mm (L)
Gross weight : 0.42 kg

M 278btb (ph 3987) 3d