Color: Black - Plastic material housing - Up to 800 meters working distance between two BT interphones - Supports two-way wireless between 3 riders - Effective operation up to 120km/h speed - Wireless handsfree communication for motorcyclists and skiers - Support EDR A2DP profile - Driving safely while talking with friend - Built-in 350mAh rechargeable battery - Talking time: 7 hours - Package includes: - 1 x BT interphone - 1 x Earphone with mic (50cm-cable) - 1 x Bluetooth adapter - 1 x Clip - 1 x Screwdriver - 1 x 100~240V Power adapter (2-round-pin plug) - 1 x USB cable (92cm) - 4 x Velcro stickers - 1 x English manual