Bluedio R 8 Drivers Bassy Wireless Bluetooth Headphones with Micro SD Card Slot (Black)

Warranty and Customer Service information:
1 year warranty from the date of purchase
Email Bluedio Customer Service, get answered under 24 hours
To email Bluedio Customer Service: you’ll be able to click “Your Account” on Amazon, click”Your Orders”, find the Bluedio order, click “Contact Seller”.

Specification:

Speaker: woofer*2 tweeter*6
Bluetooth version: 3.0
Bluetooth operating range: about 20 meters
Bluetooth music time/talk time: 12-20 hours
Micro SD card music time: 12 hours
Standby time: about 325 hours
Charging time: about 3-4.5 hours
Battery: Li-polymer battery
Audio jack: 3.5mm
Bluetooth profiles: A2DP, AVRCP, HSP, HFP
Impedance: 100Ω (50mm)、32Ω (13mm)
Frequency response: 15Hz-22,000Hz
Operating temperature range: -10 ℃ to 50℃ only
SPL: 110dB
Headphones dimensions: 190*190*80mm
Package dimensions: 280*170*96mm
Headphones weight: 283g
Package weight: 850g

In the box:
R Bluetooth headphones
USB charging cable
3.5mm audio cable
Drawstring carry bag
User manual
Bluedio PPS8 8-driver technology delivers deep, powerful sound for the music you love.
The headphone supports Micro SD card music playback (maximum 32G). Simply insert a Micro SD card loaded with audio files and make it enter SD card mode, you’ll be able to freely enjoy your favorite music.
But even so Bluetooth connection, R also supports line-in music playback. Just activate it and use the included 3.5mm audio cable to attach it along with your computer or cell phone.
The ear cushions wealthy in protein make sure you a very long time wearing comfort; the adjustable band makes it suitable for different head forms; the foldable design allows it to be with you wherever you go.
The headphone adopts ISSC Bluetooth 3.0 chip, which not only can lower the power consumption, but additionally can make the signal transmission more stable.