Tenergy Wireless Bluetooth Beanie Hat with Detachable Stereo Speakers & Microphone, Fleece-Lined Unisex Music Beanie for Outdoor Sports, Basic Knit (Grey);

Product Highlights:
Bluetooth Version V4.1 +EDR. Compatible with all Bluetooth devices
Built in rechargeable Li-Ion battery provides up to 6 hours of playtime. (USB charging cable included)
Wireless range up to 33 feet
Built-in microphone allowing you to talk hands free
Washable beanie after removing headphones*
*Hand wash only. Remove all electronics components before wash to avoid damage.

Specification:
Bluetooth version: 4.1+EDR
Frequency: 2.402 GHz ~ 2.480GHz
Transmission distance: 10m (33ft)
Battery: Li-Ion 3.7V 120mAh
Talk time: up to 6 hours
Standy time: up to 60 hours
Charging time: 2.5 hours
Material: 60% Acrylic & 40% Polyster
Product Weight: 5 oz
One Size: L-XL, 22.75"-23.88"

Retail Package Includes:
Tenergy Bluetooth Beanie x 1
USB Charging Cable x 1
Manual x 1