Sensitivity: 84.5dB±3dB
Frequency response: 2402 ~ 2480MHz
Impedance: 8Ω±10%
Speaker diameter: 13 mm
Bluetooth version: V5.4
IPX8 waterproof for swimming,
until 3 meters underwater
Embedded microphone for hands-free conversation
from Bluetooth-enabled cell phones
Environmental Noise Reduction
for Clear Call Quality
Sporting MP3 player
Liquid silicone rubber material for comfortable wearing
Magnetic charging
Memory steel for headband
Music playback time: Up to 6 hours (fully charged)
Charging time: 2 hours
Built-in 4G memory card
Built-in rechargeable battery
(170mAH/3.7V)
Magnetic charging cable
39 mm (H) x 98 mm (W) x 126 mm (L)
Net weight: 0.027 kg
115 mm (H) x 55 mm (W) x 140 mm (L)
Gross weight: 0.15 kg
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