Remax RB-S9 Sport In-Ear Wireless Bluetooth Earphones with Surround Stereo Music

Model: RB-S9

Bluetooth version: 4.1

Sensitivity:92dB

Frequency: 2.40GHz-2.48GHz

Charging port: Micro USB

Battery capacity: 130 mAh

Standby time: 180 hours

Talk time: 10 hours

Playing time: 9 hours

Charging time: 1.5h

Frequency Response Range:20-20000Hz

Length: 60cm

Net weight: 15.1g

Transission radius: 10m