Lightweight design, slim detachable speakers that can be easily removed and inserted. Just connect to an audio device (CD player, MP3 player) through a 3.5mm audio jack and listen to your favorite soundtrack or audio book.

Short review
Headphones designed to be worn while sleeping
Compatible with most devices with 3.5mm port

Specifications:
Certification: CE, FCC, RoHS
Material: Cotton (Fleece, Polyester Acrylic)
Cover: ABS, 30 mm
Headphones: 3016-32 Ohm
Frequency range: 20 to 20,000 Hz
Power: 20mW
Maximum power: 50mW
Sensitivity: 120 +/- 4 dB
Compatibility: devices that have a 3.5 mm audio output

Sizes and weight:
- Product dimensions: 250 x 80 mm (L x D)
- product weight: 42 gr
- cable length: 1170 mm

Notes:
One size fits all.

Equipment:
Headphones for sleeping