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

Frequency Range :20-20000 (Hz)
Impedance ：32Ω
Sensitivity :105 (dB)
Wire length: 1.2 plus or minus 0.5 (m)
Connection Type :3.5mm
Connection Type: Wired
Product Height :9 cm
Product Length :19 cm
Product Weight: 0.38 kg
Product Width/Depth :13 cm

D99 JBL HEADPHONE

• 8″ HD display, 2X the storage (32 or 64 GB of internal storage and up to 1 TB with microSD card) + 2 GB RAM. 10th generation (2020 release).
• All-day battery life – Up to 12 hours of reading, browsing the web, watching videos, and listening to music.
• Now with USB-C for easier charging. Fully charges in under 5 hours (with included cable + adapter).
• 30% faster thanks to the new 2.0 GHz quad-core processor.
• Enjoy your favorite apps like Netflix, Facebook, Hulu, Instagram, TikTok, and more through Amazon’s Appstore (Google Play not supported).
• Stay on track – Check email, make video calls, update shopping lists, and set reminders. Use your favorite apps like Zoom, Outlook, and OneNote.
• Hands-free with Alexa, including on/off toggle.

• 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.