Specifications:
model: a8
item name: smart bt glasses
bt specification: v4.1+edr
frequency range: 2.402-2.480ghz
transmission power: class2
bt mode: headset, a2dp avrcp
transmission distance: 10 meters
music playing earphone time: 4 hours
phone-call earphone time: 5 hours
battery capacity: 3.7/110mah
charge voltage: dc5v/500ma
charging time: 2 hours
earphone power: 32ω/0.5w
receiving sensitivity: 40dbm
audio range: 20hz-20khz
distortion degree: less than equal 0.2%95db
colour:black
material:metal
package contents:
1 x smart bt glasses
1 x charging cable
1 x in-ear headset
1 x storage case