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

• 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.

The virtual surround sound system will not leave indifferent any gamer who
appreciates the opportunity to truly immerse himself in the virtual world.
The LED illumination of the headphone housing is ideal for eSports.
The sound volume control will allow you to adjust the volume level
without switching to computer control.
This model can work both with a wire,
and without it. Comfortable ear cushions isolate external noise and provide comfortable wearing headphones for many hours.
The energy-intensive battery allows you to use the headphones for 13 hours!

-Model number: A770BL
– Bluetooth version: 5.0
– Battery capacity: 250mAh
– Standby time: up to 25h
– Talking time: up to 10h
– Playing time: up to 13h
– Charging time: 1h
– Transmission distance: up to 10m
– Frequency response: 20-20kHz
– Connectivity: Bluetooth, 3,5mm aux-in

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

D99 JBL HEADPHONE