Features 1 10W Dual Speakers Dual drivers work together for a wide soundstage and strong sound pressure 2 45mm Rectangular Acoustic Engine Delivers clear and bright bass enhancement for an immersive music experience 3 Sunken Bass Diaphragm External sunken woofer provides powerful bass and enhanced sound pressure 4 10H Battery Life Long lasting battery supports extended playback 5 Flashlink 6 0 Technology with bluetooth 5 3 Ensures synchronized video and audio playback Specifications GeneralSpecificationBrandSanag ModelM15 ColorBlack WhitePower10WSpeaker4Ω5W 2WaterproofIPX4SNR≥60dBFrequency Response60 15KHzbluetoothbluetooth VersionV5 3Supported ProfilesHSP HFP A2DP AVRCPTransmitting Distance10mBattery ChargingBattery Capacity1200mAhMusic Time10hStandby Time80hCharging Time2hSizeWeightProduct Weight0 5000kgPackage Weight0 6500kgProduct Size160 77 43mmPackage Size240 120 80mmPackage list1 Speaker1 Charging Cable1 Manual