Portable speakers are loudspeakers which receive audio signals using radio frequency (RF) waves rather than over audio cables. The two most popular RF frequencies that support audio transmission to wireless loudspeakers include a variation of WiFi IEEE 802.11 while others depend on Bluetooth to transmit audio data to the receiving speaker.
Specifications of RB-M15 - Bluetooth Speaker - Black
What’s in the box
RB-M15 - Bluetooth Speaker - Black
Product details of RB-M15 - Bluetooth Speaker - Black
Battery Capacity- 500mAh, 3.7V
Speaker Impedance - 4Ω, 5W
Bluetooth Version- V4
Equipped with the full range vocal unit
TF card mode
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