Mb4 Bluetooth speaker is compliant to iphone, ipad, Smartphone, Tablet, etc. Support A2DP bluetooth system. Pairing: 1. Ensure if the battery is full or connected with the power supply. 2. Long press for 3s to start up, the white LED and red LED in the bottom alternately flashes rapidly and prepare to pairing. 3. Mb4 display on your device 4. Please select Mb4 to contact 5. When the white LED in the bottom is on succeeded in contacting. Note: Bluetooth speaker Mb4 will complete paring in 30s automatically. This product possess auto-shut off function, will shut off if without any contact in 5 minutes after start up. Button function: 1. On/off press for 3s. white LED ad red LED alternately flashes, start up. Long press for 3s to shut off. 2. Play/pause: play music. Short press for stop, press again to recover. 3. Answer/hang up call: bluetooth is connected phone call coming short press to answer long press to reject. Answering call, short press to hang up. Product Specification: 1. Power Output: 2.0 W 2. Speaker size: 31 mm 3. Frequency : 180Hz - 20Hz 4. Polymer rechargeable capacity: 250 Am 5. Distortion : THD<3% 6. Signal & Noise : 77DB Accessories: - bluetooth speaker - 3.5mm charger cable - hook - user manual
