Knitted Music Hat Bluetooth Beanie Hat with Stereo Headphone Speaker Hands-free Washable Warm Outdoor Sports Hat for Men and Women – Black

• Made of high-quality knitting acrylic and polyester fiber, skin-friendly, comfortable and warm

• Bluetooth V4.2 version, available for most devices with Bluetooth function 

• Connect seamlessly with 2 bluetooth enabled devices at the same time 

• Open camera on the phone, double-click the volume button“+”and finish shoots 

• Built-in mic, can listen to music and answer your calls hands-free

• Functions: power/pair, play/pause, volume up/down, previous song, answering/ending call

• Best accessory for running exercise

• Build-in 130mAh chargeable battery, charge via USB cable

• The hat can be washed

Specifications:

• Bluetooth version: 4.2

• Wireless distance: 10 meters barrier-free

• Frequency range: 2.402GHz

• Talk time: 5-6 hours

• Standby time: 350-480 hours

• Receive sensitivity: < -80dBm

• Battery capacity: 130mAh

• Charging voltage: 5V/0.7A

Compatible with:

• iPhone, Samsung, Huawei, Xiaomi and etc. Bluetooth enabled smartphones