Brand N/A Quantity 1 Piece Color Black + red Material ABS + resin Compatible Models Iphone 5 / 4S / 4 and other cellphones with bluetooth function. Other Features With vibration alert and CID display when there's incoming calls; can answer calls on the bracelet with its microphone and speaker; with 3.5mm earphone jack for clear and intimate calling experience; with anti-theft function: when the distance between the bracelet and the phone is farther than 10 meters it will vibrate to alert; frequency range: 2.4GHz; effective range: 5~10m; supports data sync with the phone contacts book. Packing List 1 x Phone Bracelet 1 x Charging Cable (80cm) 1 x US plug charger 1 x Manual