Description: MP3 Solution: Sigmatel Watch Movement: Swiss or Japan Bluetooth Chip: CSR, Memory Size: from 128MB to 4GB Function: Watch, MP3 Playing, Receiving phone, Recording, Displaying incoming call, U-disk. Compatibility: Bluetooth earphone compatible with other Bluetooth gadgets such as mobile phone, computer Convenience: no earphone cable line binding, it can shift automatically between enjoying music and receiving phone call, only pairing for one time. Model and Style: many fashionable choices Others: providing OEM/ODM service, flexible and positive policy toward customers.