i7S-TWS Wireless Bluetooth Earphone

·         i7S-TWS Wireless Bluetooth Earphone

·         Hands-free and music player functionality

·         Bluetooth V4.0+EDR or V4.0

·         Distance: V4.0 10M, V4.0 100M

·         Frequency: 2.4G

·         Calling time: 3 hours

·         Standby time: 180 hours

·         Reception level of sensitivity: < -80dBm

·         Rechargeable battery: 180 mah

·         Compatible with mobile phone, pad, notebook, and other Bluetooth devices

·         Accessories: Headset, USB cable, user manual, paper box