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

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

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

• 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.