audio-video equipment: https://allegro.pl/oferta/rayovac-extra-312-emf-pr41-baterie-sluchowe-60-szt-8360257712

everActive Lithium+ Professional battery,dedicated to JBL Xtreme

Battery life: 5000mAh at 7.4V (37WHr)

Total cell capacity: 10000 mAh at 3.7V

2 years warranty

everActive Lithium+ Professional battery,dedicated to JBL Flip 4

Battery life: 3000mAh at 3.7V (11.10WHr)

2 years warranty

• Bluetooth 5.4 receiver for car radio, audio systems, speakers, etc.
• support for all devices with a 3.5 mm AUX mini jack socket
• USB power supply
• built-in microphone, answer calls
• Music control
• RGB backlighting

• wireless connectivity via Bluetooth version V4.2
• Hands-free function (built-in microphone)
• USB port for a USB flash drive and a slot for micro SD cards
• Battery voltage indicator
• charger with two sockets - USB 1: 5V / 1A and USB 2: 5V / 2.4A (3.4A max)
• Operating range: 87.5-108 MHz
• power supply from the car cigarette lighter socket 12V/24V

• Extra powerful stereo Bluetooth speaker with subwoofer
• Deep and dynamic bass !!
• total power of the set: 15W 
• built-in MP3 player and FM Radio
• microSD card slot and USB port for USB flash drive operation
• wireless connectivity via Bluetooth 5.1
• AUX jack for connecting an external audio device
• USB-C charging socket

support for resolution up to 4K (3840x2160) @ 60Hz
LEDs to indicate the operation of the device

powerful Bluetooth speaker with subwoofer
Deep and dynamic bass !!
total power of the set: 18W R.M.S.
built-in MP3 player and FM radio
microSD card slot and USB port for USB flash drive support
wireless connectivity via Bluetooth (A2DP profile)
AUX jack for connecting an external audio device
wooden case with LED display
operating time approx. 7 hours

Bluetooth 5.0 receiver for in-car radio, audio sets, speakers, etc.
support for all devices with 3.5 mm AUX mini jack
USB power supply
cable length 45 - 120 cm
Bluetooth range up to 5 m

4K HD 2.0 version
supported resolution - up to 4K / 60Hz
nylon braided cable with reinforced aluminium tips

Gold-gold-gold polished 3.5mm mini Jack connectors.
The cable is made of very flexible and durable silicone,resistant to distortion and damage due to twisting and bending.
Premium cable - elegant, reinforced aluminum tips.
Cable compatible with all devices with standard AUX port 3.5mm.

• gold-plated, polished 3.5mm mini Jack connectors.
• The cable is made of highly flexible and durable silicone, resistant to distortion and damage due to twisting and bending.
• Premium standard cable - elegant, reinforced aluminum terminals.
• cable compatible with all devices with a standard 3.5mm AUX port.

 IP67 waterproof
speaker power: 4,2W
wireless connectivity via Bluetooth 5.0

• Total power of the set: 40W R.M.S.
• Bluetooth 5.0+ EDR, A2DP, AVRCP
• kareoke function
• support for micro SD cards and USB drives
• FM radio function with automatic station selection
• TWS - allows you to pair a second speaker
• Colorful illumination

• Total power of the set: 40W R.M.S.
• Bluetooth 5.0+ EDR, A2DP, AVRCP
• kareoke function
• osupport for micro SD cards and USB drives
• FM radio function with automatic station selection
• Colorful illumination