General Specifications Transducer40 mm/ 1.5” Output power5 W RMS Frequency response100Hz-20kHz Signal-to-noise ratio>85dB Dimensions Dimensions (W x H x D)86.30mm*134.50mm*46.0mm / 3.4 x 5.3 x 1.8” Weight0.239 kg/ 0.527 lbs Control and Connection Specifications Bluetooth® version5.1 Bluetooth® profileA2DP 1.3, AVRCP 1.6 Bluetooth® transmitter frequency range2400 – 2483.5MHz Bluetooth® transmitter power≤ 10 dBm (EIRP) Bluetooth® transmitter modulationGFSK, π/4 DQPSK, 8DPSK Battery Battery typeLithium-ion polymer 3.885Wh Battery charge time3 hours (5V/500mA) Music play timeup to 10 hours (varies by volume level and audio content) الماركة جيه بي ال الحالة جديد