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

• Bluetooth version: V5.0
• Channel system: Stereo (two-channel)
• Battery capacity: 250mAh Li-ion battery
• Drive unit: 40mm
• Charging time: 2 hours
• Call duration: 12 hours
• Music duration: 15 hours
• Material: ABS
• Waterproof IPX5
• Support protocol: HSP1.0/HFP1.5/A2DP1.0/AVRCP1.3
• Sensitivity: 90 ± 3db
• Frequency range: 20-20000Hz
• Resistance: 16Ω
• Weight: 450g
• Size(L x W x H): 22*22*6cm

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

• 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.

1. High-definition call with fidelity sound quality.

2. Comfortable to wear, compact and portable.

3. Bluetooth V5.0 version, transmission distance of 10 meters.

4. Support listening to songs and answering calls.

5. Battery capacity: 90mAh.

6. Charging time: 0.5 hours.

7. Play time: 7 hours.

8. Standby time: 180 hours.