M02 Ultra
Auxiliary chip: Allwinner V821
Camera : 800W                                            
WiFi: 5GHz                                                                               
Bluetooth receiving distance:: ≥ 10 meters                                                                                                                                                        Operating Frequency: 2.402GHz~2.480GHz
Transmit Power: CLASS2, MAX4dbm 
Signal-to-Noise Ratio: -89dBV Distortion: <1%
Operating Frequency: 20HZ - 20K HZ
Speaker specifications: 1609 H3.0 Speaker impedance: 16 ± 1.5%Ω
Speaker power: 0.5W Short-term maximum power: 0.8W Charging input voltage: DC5±0.25V
Battery specification: 3.8V/290mAh 
Operating voltage: 3.8V (3.3-4.2V)
Charging time: ≤2H Static current: ≦5uA
Microphone sensitivity::-42±3DB Low voltage alert: 3.0V
Continuous music playback time: about 4 hours (80% volume)
Operating current: ≦30mA (the higher the volume the higher the current)
Photo/camera current: ≦210mA