Supports A2DP, AVRCP. Hands free speakerphone w/built in microphone. Support NFC for easy pairing. Auxiliary input jack. Blue LED indicator. Built in handle. Output power: 2 x 2W RMS. Power: Built in rechargeable lithium battery w/USB charger cable (included). Size: 4.41in(H) x 9.96in(W) x 3.15in(D). Offered in black, white, or red. Must be ordered in case pack quantities of 6.