Bluetooth Version: 5.0
Battery Capacity: 300mAh
Play Time: 20h
Charging Time: 2h
Diameter: 40mm
Impedance: 32Ω
Sensitivity: 98±3dB at 1000HZ
Best Transmission Distance: ＜1M
Maximum Transmission Distance: 10M
Wearing Method: Head-Mounted

KSC-834 YUETENG series TWS wireless stereo headphones, microphone ENC noise reduction; Bluetooth 5.1, fully compatible; clear calls and comfortable in-ear; smart touch; long standby, long battery life; weight: 46.8g; charging interface: Type-C

Cover with magnetic closure, case provides up to 180 hours of charging and can be used as a mini power back to charge other devices, 3.8mm diaphragm with good audio resolution without distortions, each earphone can be connected to different signals independently and without interference with each other, touch sensors of the best quality, waterproof and built with strong materials that can withstand falls, automatic connection with the cell phone, bluetooth 5.2, magnetic charging connectors, transmission distance from 10 to 15 meters

• The price is almost the same between the two headphones but for me Sony MDR-X450AP
• Extra Bass is the best as compared to my last headphones.
• I can feel the beat of each songs I play on my Samsung Galaxy Note 4.
• Also works perfectly with my Dell Ultrabook laptop.