Other
16
Specifications
∫
General
*1 It may be shorter depending on the operating conditions.
*2 The time required to charge the battery from empty to full.
∫
Bluetooth
®
section
∫
Speaker section
∫
Terminal section
∫
Microphone section
∫
Accessory section
• Specifications are subject to change without notice.
Power supply
DC 5 V, 500 mA
(Internal battery: 3.7 V (Li-polymer))
Operating time
*1
Approx. 50 hours
Charging time
*2
(25
o
C)
Approx. 4 hours
Charging temperature range
10
o
C to 35
o
C
Operating temperature range
0
o
C to 40
o
C
Operating humidity range
35 %RH to 80 %RH (no condensation)
Mass
[RB-HF520B]
Approx. 205
g
[RB-HF420B]
Approx. 155
g
Bluetooth
®
system specification
Ver. 5.0
Wireless equipment classification
Class 2 (2.5 mW)
Max RF power
4 dBm
Frequency band
2402 MHz to 2480 MHz
Supported profiles
A2DP, AVRCP, HFP
Supported codec
SBC
Operating distance
Up to 10 m
Driver units
[RB-HF520B]
40 mm
[RB-HF420B]
30 mm
DC IN
DC 5 V, 500 mA
Type
Mono
USB Charging Cord
(Input Plug: USB A Shape,
Output Plug: micro USB Shape)
Approx. 0.5 m
