Bluetooth heads TWS-TO5TKL Specification & User Manual Button frustration N A NE Basic Specification Product size: 48°40°3 2mm Weight: 2264 (spare unk without packaging and accessories: 11.39) Working Voltage: 3.7 Low prows indication: 34 Working ime: about § hours Changing cuts: 100mA Period for ails-shul off without connection: § minutes Ruth-point connection: Support one earphone fo connect wn call phones at tha same me.