Bluetooth mode: Hand Free/Headset/AV/AV RCP profile Radio frequency: 2.4GHz Transmission power: class2

• The transmission range: 10 meters The charger power supply: AC input DC output 5V 110-240V
• Music time: approx. 3 hours Talk time: approx. 4 hours Standby time: approx. 120 hours
• Size: approx. 2.7*1.5*1.2cm Color: Black
• Package includes: 1 * Mini Bluetooth Earphone 1 * USB cable (Without charger)
• 100% Brand new and high quality!

The transmission range: 10 meters The charger power supply: AC input DC output 5V 110-240V