XBT M-21 Headphones

Article name: wired headphone
Material: plastic, metal
Speaker diameter: 40mm
Sensitivity: 115db
Impedance: 32
Frequency response range: 20hz-20khz
Microphone: 6.0 x 5.0mm
Plug: 3.5mm
Microphone impedance: 2.2k
Features: wired, noise reduction, comfortable to wear
Cable length: 1.20.3m/47.24 inches 11.81 inches (approx. )
Size: 14.5 cm x 12 cm x 6 cm/5.71 inches x 4.72 inches x 2.36 inches (approx.)

The MDR-XB400BY headphones are equipped with a 3.5mm AUX connection so you can enjoy your favorite songs on a variety of devices when the battery runs out.
FM receiver.
MP3 player with microSD / TF memory cards.
Bluetooth wireless communication.
The presence of a microphone is available.
Possibility to connect as a Hands-free Pcone Call headset.
Wireless connection – Bluetooth V3.0.
Speaker diameter – 40mm.
The maximum output power is 50mW.
Resistance – 32ohms at 1kHz.
Sensitivity – 108dB / mW.
The reproducible frequency range is 20-20000Hz.
FM receiver – 87.5MHz to 108MHz (autosearch, station memory).
Supported memory cards – microSD / TF up to 32Gb.
AUX input 3.5mm.

-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

Wireless version: V5.0

Working distance: Up to 10m

Impedance: 32Ω±15%

Driver: 40mm

Frequency: 2.4GHz-2.4835Ghz

Battery: 300mAh, Rechargeable

Talking/play time: About 15 hours

Standby time: Up to 100 hours

Non-replaceable lithium ion-polymer

Power requirement: DC 5V 1A

• JBL Pure Bass Sound
• 27H battery life
• Multi-Point Connection
• Hands-free calls and Voice Assistants
• Lightweight and foldable design