Specifications: Bluetooth version: Bluetooth V3.0 EDR, Class 2 Bluetooth profiles: A2DP & AVRCP Effective range: 10m / 33feet (Depending on specific circumstance and the transmitter device) Pairing code: 0000 (Default) Built-in battery capacity: 80mAh Li-battery Audio cable: 3.5mm to 3.5mm(male), approx. 1.5m / 4.92ft Color: Black Product size: Approx. 5 * 2.5 * 1cm / 1.97 * 0.98 * 0.39in Product weight: Approx. 13g / 0.45oz (No including the accessories) Package size: Approx. 15.5 * 10 * 2.5cm / 6.1 * 3.94 * 0.98in Package weight: Approx. 89g / 3.13oz Package includes: 1 * Car Bluetooth Music Receiver 1 * Micro USB Cable 1 * 3.5mm to 3.5mm Audio Cable 1 * 3.5mm to 3.5mm Audio Adapter 1 * User Manual