Feature: 1.Bluetooth V3.0 Technology, compatible with all Bluetooth-enabled devices, connect to your smartphone instantly. 2.Super sound quality, enjoy the High Definition music while partying, walking and etc. 3.High capacity rechargeable 800mAh for up to 6 hours of playtime based on music volume. 4. TF card, can dial, answer, re-pull, hang phone, conversion mode has live voice prompts. 5.Light weight and portable, easy to carry and use in indoor and outdoor. Specification: Item Type: Bluetooth Speaker Material: ABS Plastic : White, Blue, Red, Orange, Gray Bluetooth Version: V3.0 : 3.7V 800mAh Charging Voltage: 5V / 500mAh FM Frequency Range: 87.5-108MHz Speaker: Double Speakers 4Ω 3W Diameter 40mm Charging Time: 2.5-3.5 hours Play Time: Up to 6 hours : Built-in (rechargeable) Charding Interface: USB Port Size: 145 x 38 x 57MM Function: TF Card, FM Radio, U Disk and so on. Weight: 214g Packing Included: 1 x Bluetooth Speaker 1 x Charging Cable a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a