Competible with mobile phone and tablet which have the bluetooth function. Phone call one button in the earphone,as convenient as possible! Can remind the remainder electric quantity smartly. Support multi language Specifications: Brand: REMAX Name: RB-T13 Bluetooth Earphone Model: RB-T13 Use Scope: 10m Bluetooth Version: Ver. 4.1 Charging Time: ≈1H Call Time: ≈3H Colors: Black / White
