3. Bluetooth 4.2, the connection is more stable, faster, and the effective distance is 10 meters. 4. Two-channel speaker, 360-degree stereo 3D surround sound, fully restore the sound quality. 5. Built-in 1600mAh lithium battery, charging time 2 hours, standby time 50 hours, music playback time 10 hours. 6.Dimens) Weight: 255g / 0.9lbs Wireless connectivity: Bluetooth 4.2 Amplification power: 10W With a crisp and bass-heavy sound and 14 hours of battery life, the OontZ Angle 3 3rd Gen is another excellent choice for a budget-friendly wireless speaker.Sound Bars for TV, 2.1CH Sound Bar with Built-in Subwoofer, 3D Surround Sound TV Speaker, Wired & Wireless Bluetooth 5.0, USB, AUX/RCA, Optical, COA, HDMI ARC Input 4.0 out of 5 stars 1,264100 FEET/30M BLUETOOTH RANGE: Advanced Bluetooth 5.0 ensures more stable and instant pairingpared to Bluetooth 4.2 and lower maintains a strong connection up to 100 ft unobstructed away from your device 3.5mm aux in jack for connecting non-Bluuded).