AIYIMA H1

Product description:
Operational amplifier chip: JRC5532*2
Replaceable op amp chip: OPA2604, OPA2314, LM4562, NE5532, etc.
Signal to noise ratio: ≥111db
Frequency response: 20-20Khz (±0.1db)
Distortion: 0.03%
Load impedance: 16-300Ω
Maximum output power: 170mW/32Ω load
Input mode: AUX
Support equipment: mobile phones, tablets, computers, MP3, TV, etc.
Output mode: amp, earphone, active speaker
Working voltage: 2.8V-4.2V
Charging voltage: DC5V
Battery capacity: 3000mah (polymer battery)
Maximum volume working time: 4 hours
Size: 110*62*17mm
Product net weight: 123g
Package weight: 210g

More features:
Removable and replaceable battery
Op amp can be replaced
Three-terminal regulator: IC-79L08-SOT89
Step-down: IC-MP1484-SOIC8
Charging management: IC-TP4056-SOP8
Boost: IC-SX1308-SOT23-6
Voltage detection: IC-HT7027A-SOT89

Packaging:
1×Packaging Box
1×type - C Charging Cable
1×Audio Line
1×Tool accessories
1×User Manual