Closeup view of the top side of the Main PCB

TI - BQ25150 - Battery Charge and Power Management

BES Technic - BES 2300 - Bluetooth Radio

Unknown Device - +7048/A5A59AB - May be the Accelerometer and Gyroscope used for voice detection. Please leave a comment if you know this device

Unknown Device - T 9 51 - Could be Flash Memory or RAM. Please leave a comment if you know this device

Unknown Device - SR 009 - Could be Flash Memory or RAM. Please leave a comment if you know this deviceNew line.