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.

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

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.)

-noise cancelation
-premium sound
-smart listening technology
-wear all day in total comfort
-clear hands-free calling
Model Number ; KD73
Style : Headband
Communication : Wireless
Use : Portable Media Player, Mobile Phone, COMPUTER, Gaming, Sports, Travel, PROFESSIONAL, HiFi Headphone