-- IPX6 waterproof, shockproof, dustproof functions make it suitable for outdoors.
-- The built-in 4000mAh rechargeable battery, it also could be emergency power, up to 20-24 hours of playing time.
-- Support TF card player, 3.5mm audio input.
-- Bluetooth 4.0 hand-free call; stable signal and high quality communication.
-- 3.5mm audio output cable to connect smart phone, PC and other digital products.
-- Portable, convenient to carry when your are hiking, camping, cycling, nightly walks, etc.
-- Comes with radio bluetooth.
Bluetooth Version: 4.0.
Battery capacity: 3.7V/4000mAH.
Charging Voltage: 5V±0.25V.
Bluetooth distance: within 10M.
Charging interface: USB interface.
Charging time: About 5 hours.