Specifications: Bluetooth version: EDR3.0 Bluetooth Transmitting range: up to 10m/33fet Working temperature: -20~60 degree Charging time: 2.5 hours Talk: time: up to 6 hours Music time: up to 6 hours Standby time: up to 200 hours Working frequency: 2.4 GHz Battery: built-in battery Power supply: DC 5V USB charging port Color: White /Black Package includes: 1 x Bluetooth Earphone 1 x USB cable
