Aiwa HST-250BT/TN headphones/headset Wired & Wireless Head-band Calls/Music Micro-USB Bluetooth Black

Head-band cushion: Yes
Width: 160 mm
Height: 78 mm
Depth: 180 mm
Weight: 213 g
Product colour: Black
Cable length: 1.5 m
Recommended usage: Calls/Music
Product type: Headset
Compatible memory cards: MicroSD (TransFlash)
Maximum memory card size: 32 GB
Adjustable headband: Yes
Wearing style: Head-band
Designed for children: No
Suggested gender: Boy/Girl
Recommended age group: Adult/Child
Headset type: Binaural
Suitable for indoor use: Yes
Detachable cable: Yes
Backlight: No
Suitable for outdoor use: Yes
Foldable: Yes
Plug and Play: Yes
Cables included: Audio (3.5mm), Micro-USB
Ear pad material: Leatherette
Pouch: Yes
Connectivity technology: Wired & Wireless
Wireless range: 10 m
Bluetooth: Yes
Bluetooth profiles: AVCTP, HFP, AVDTP, A2DP, AVRCP
USB connector: Micro-USB
Bluetooth version: 5.0
3.5 mm connector: Yes
Battery type: Built-in battery
Battery technology: Lithium Polymer (LiPo)
Battery voltage: 3.7 V
Battery recharge time: 2 h
Charging source: USB
Battery operated: Yes
Battery capacity: 250 mAh
Talk time: 13 h
Continuous audio playback time: 12 h
Microphone type: Built-in
Impedance: 32 Ω
Headphone frequency: 20 - 20000 Hz
Driver unit: 4 cm
Ear coupling: Circumaural