Specifications:

Main chip: JL7018F stereo ENC noise reduction
Auxiliary chip: Quanzhi V821
Camera chip: Sony 918, 800W
Wi-Fi: 5GHz
Bluetooth reception distance: ≥10 meters
Operating frequency: 2.402GHz~2.480GHz
Transmission power: CLASS2, MAX4dbm
Signal-to-noise ratio: -89dBV Distortion: <1%
Operating frequency: 20HZ – 20K HZ
Speaker specification: 1508 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 specifications: 3.8V/270mAh
Working voltage: 3.8V (3.3-4.2V)
Charging time: ≤2H Quiescent current: ≦5uA
Mid head sensitivity: -42±3DB Low voltage prompt: 3.0V
Continuous music playback time: about 5 hours (80% volume)
Operating current: ≦30mA (the louder the volume, the greater the current)
Photo/camera current: ≦210mA