Product Specs
4 Performance parameters
4.1 Module parameters
Module parameters
Wireless standards
Bluetooth Bluetooth V5.0
Antenna
PCB Antenna
Frequency range
2.402 GHz-2.480GHz
Transmission power
CLASS1
Receiving sensitivity
Max=-95 DB
Extended interface
PIO, SPI, AIO, UART, USB, I2S, I2C, PWM, MIC, LIN, SPK (L/R)
Support systems:
Support for Android (android), Apple (IOS) and windows
systems
Audio decoding output:
SBC,AAC
Module dimensions
15 mm *24mm*2mm (LxWxH) SMD
Certification information
-
4.2 Recommended working conditions
Scope of operation
Min
Typical
Max
Unit
Operating temperature range
-40
-
+85
°C
Battery
3.0
3.7
4.6
V
5V (USB VBUS)
4.75
5.0
6.5
V
Digital I/O
1.7
1.8
3.6
V
AIO/LED
0
-
6.5
V
AUDIO-IN/OUT
0
-
1.95
V
4.3 Battery Input Pin Specification
BAT
Min
Typical
Max
Unit
Operating voltage
2.8
3.7
4.6
V
Software power-off threshold
-
3
-
V
Under voltage lockout rising threshold
2.47
2.6
2.73
V
Under voltage lockout hysteresis
50
-
120
mV
USB dead/weak battery rising threshold
3.14
3.3
3.46
V
USB dead/weak battery hysteresis
50
-
120
mV
4.4 Charger Input Pin Specification
VCHG
Min
Typical
Max
Unit
Operating voltage (full device specification)
4.75
5.0
6.5
V
Operating voltage (reduced charger
specification)
4.0
5.0
6.5
V
VCHG_PRESENT rising threshold
3.4
3.6
4.0
V
VCHG_PRESENT hysteresis
70
-
150
mV