Returns accepted within 3 days, only for damaged or wrong products. Return offered in the form of Product exchange. Buyer is the responsible for the shipping fees.
Bluetooth Version: Bluetooth V2.0, Talk Time: about 3 hours, Charging Time: about 1 hour, Music Play Time: about 6 hours, Standby Time: about 160 hours. Ambient Noise: ≤75dB, Transmitting Range: ≥10m, Range of Frequency: 2.4GHz spectrum, Language Support: English, Chinese.