10 Certifications
Product name
Product model
Dimensions (length ×width ×height)
Net weight
IP rating
Button functions
Charging port
Dimensions
Material
Specifications
Power
Bluetooth protocol
Bluetooth version
Frequency
Working distance
Number of channels
Output power (Max)
Rated power
Frequency range
Signal to noise ratio
Rated capacity
Play time
Charging input
Charging time
Storage environment
Operating environment
Ninebot Engine Speaker
BT2928
248 ×83 ×77 mm
715 g
IP55
Power on/o, volume +, volume -, next, mode switching.
USB Type-C
50 ×50 mm
NdFeB
20-core double magnetic trumpet
8 W ×4
HFPV1.6 HSPV1.2 A2DPV1.2 AVRCPV1.4 DIV1.3
V 4.2 and above
2.4 GHz–2.48 GHz
Approx. 10 meters
Double channel
8 W ×4
5 W ×4
100 Hz – 20 KHz
> 80 dB（2 W）
2200 mAh (7.4 V）
2–3h
5 V, 3 A
2.5h
-10–60℃
-10–50℃
9 Specifications
Product
Basic information
Horn
Bluetooth specification
Audio specification
Battery specification
Ambient temperature
The battery complies with UN/DOT 38.3
Federal Communications Commission (FCC) Compliance Statement for USA
This device complies with Part 15 of the FCC Rules. Operation is subject to the following two conditions: (1) This
device may not cause harmful interference, and (2) this device must accept any interference received, including
interference that may cause undesired operation.
Note: This equipment has been tested and found to comply with the limits for a Class B digital device, pursuant to
Part 15 of the FCC Rules. These limits are designed to provide reasonable protection against harmful interference
in a residential installation. This equipment generates, uses and can radiate radio frequency energy and, if not
installed and used in accordance with the instructions, may cause harmful interference to radio communications.
However, there is no guarantee that interference will not occur in a particular installation.
If this equipment does cause harmful interference to radio or television reception, which can be determined by
turning the equipment oand on, the user is encouraged to try to correct the interference by one or more of the
following measures:
-- Reorient or relocate the receiving antenna.
-- Increase the separation between the equipment and receiver.
-- Connect the equipment into an outlet on a circuit dierent from that to which the receiver is connected.
-- Consult the dealer or an experienced radio/TV technician for help.
This equipment complies with FCC radiation exposure limits set forth for an uncontrolled environment. This
equipment should be installed and operated with minimum distance 20cm between the radiator and your body.
This transmitter must not be co-located or operating in conjunction with any other antenna or transmitter.
Industry Canada (IC) Compliance Statement for Canada
This device contains licence-exempt transmitter(s) that comply with Innovation, Science and Economic
Development Canada’s licence-exempt RSS(s).
Operation is subject to the following two conditions:
1.This device may not cause interference.
6
