Mpman BT24PAK - Manual (Page 2)

Three Direction – Three Functions
a. Move Upwards: Volume +/ Previous music
b. Move Downwards: Volume -/Next music
c. Press it Inside: Pause /Play
2. power button / Bluetooth power button
3. Micro USB slot
4. Line in slot
5. Mic
■Specification and technical features:
Dimension ： 170x200x75 (mm)
Weight ： 189 g（bare headphone, without packing）
Charging interface： Micro USB
Press buttons： two （power button + three-way button ）
Battery ：3.7V/250mAh
Charging specification：Micro USB
Charging input ：5V/1.0A
Charging indication ：Red LED light is continuously on
Please use standard charging accessory to charge for this headphone, the normal charging time is
about 3 to 4 hours.
Standby time ： more than 100 hours
Successive talking time： about 8 hours
Volume control：16 ranks, 3dB variation in each rank
Working temperature ： -20～70℃ during the charging period
Storage temperature： -40～80℃
■Speaker and MIC
Speaker diameter: Φ40mm
Impedance：Impedance: 32Ω
Sensitivity：S.P.L:110dB S.P.L.at 1KHz
Rated power: 100mW
Frequency Response: 100Hz-9000Hz
MIC Type ： Capacitance
Microphone Unit: Φ4*1.5mm