Tronsmart Mega bt speaker

If you know- you know.
Tronsmart is one of the leaders in every "sound to price" ranking. Their Sound Pulse system is doing the job.
You won't find a speaker with better sound for that money.
This one is used, but everything works as it should and the speaker itself also is not looking bad.
Specs:

Tronsmart Element Mega Bluetooth Speaker – Full Specifications

​General Specifications

​Model: Mega (Element Mega)

​Output Power: 40W Max (2 x 20W)

​Driver Unit: Dual high-fidelity drivers (28 core large subwoofer horn, 4Ω 20W / 53mm) + Dual Passive Radiators

​Sound Technology: 3D digital sound integrated with DSP technology, SoundPulse Technology

​Frequency Response: 115Hz – 13KHz

​Harmonic Distortion (THD): <= 1.0%

​Connectivity & Controls

​Bluetooth Version: Bluetooth 5.0 (earlier legacy batches featured Bluetooth 4.2)

​Transmission Range: Up to 20–30 meters / 100 feet (in an open area)

​NFC Technology: Supported for one-touch seamless pairing

​True Wireless Stereo (TWS): Supported (allows pairing two Mega speakers together for stereo sound)

​Control Panel: Intuitive touch panel with LED backlighting and a unique slide-to-control volume mechanism

​Voice Assistant: Supported (compatible with Siri, Google Assistant, Cortana via a dedicated button)

​Audio Inputs & Ports

​AUX-in: 3.5mm audio jack for non-Bluetooth devices

​TF / Micro SD Card Slot: Supports playback from memory cards (up to 64GB capacity)

​Charging Port: USB Type-C (Micro-USB in the original 4.2 version)

​Built-in Microphone: Yes (for hands-free phone calls)

​Battery & Power

​Battery Capacity: Built-in dual lithium batteries, 3300mAh x 2 (Total 6600mAh)

​Playtime: Up to 15 hours (varies by volume level and audio content)

​Charging Time: About 3 to 5 hours

​Power Supply: DC 5V / 2.1A

​Physical Dimensions & Weight

​Dimensions: 193 x 58 x 80 mm (7.59 x 2.28 x 3.14 inches)

​Weight: Approx. 657.3g / 23.18 oz