Experience the ultimate in wireless freedom with the HKM-221331 Wireless Bluetooth Headset, specifically designed for sports and running enthusiasts. With its TWS double ear design, these headsets offer unparalleled comfort and secure fit during any activity, ensuring you stay immersed in your favorite tunes or podcasts without any distractions.

Featuring advanced Bluetooth version V5.0 + EDR, the HKM-221331 provides a reliable connection with a wireless frequency of 2.4GHz and a transmission distance of up to 10 meters. This means you can keep your device close, allowing you to move freely without worrying about interruptions. The headset supports multiple audio protocols including A2DP1.3, HFP1.6, HSP1.2, and AVRCP1.6, making it versatile for various uses.

Enjoy up to 4 hours of continuous playtime on a single charge, with a quick charging time of only 1 to 2 hours. The included charging case is equipped with a robust 1500mAh battery capacity, which ensures that your headsets are always powered and ready for use whenever you need them. Additionally, the impressive standby time of 120 hours means you can trust the HKM-221331 to be there when you are.

Every component of this product has been designed with user convenience in mind. The lightweight design, at just 4g per earbud, ensures that you can wear them for extended periods without discomfort. The headset features an 8MM speaker with a 32Ω impedance for clear audio quality, and a microphone sensitivity of -42Db for crisp communication.

Included in the package are two headphones, a charging compartment, a charging cable, four sets of ear caps for a customizable fit, and a user manual to help you get started on your journey to wireless audio enjoyment.

Whether you're hitting the gym, running outdoors, or just enjoying music at home, the HKM-221331 Wireless Bluetooth Headset makes the perfect companion for your active lifestyle.

1, headset parameters

Bluetooth version: V5.0+EDR

Wireless frequency: 2.4GHZ

Supporting agreement: A2DP1.3/HFP1.6/HSP1.2/AVRCP1.6/D11.3

Transmission distance: 10 meters

Battery capacity: 50mAh

Charging voltage / current: 5V / 1A

Play / talk time: about 4 hours

Charging time: 1~2 hours

Standby time: 120 hours

Speaker impedance: φ8MM 32Ω

Microphone sensitivity: -42Db

Working temperature: -10-50 °C

Gross weight: 4 g * 2

2, charging bin parameters

Input voltage / current: 5V / 1A

Battery capacity: 1500mAh,

4, product list

Headphones*2, charging compartment*1, charging cable*1, ear caps*4, manual*1