Maximum operation temperature: 45°C,  Transducers: 45 mm / 1.75”  Rated output power: 7W RMS  Frequency response: 95 Hz - 20 kHz,  Signal-to-noise ratio: > 85 dB  Bluetooth® version: 5.3  Bluetooth® profile: A2DP 1.4, AVRCP 1.6,  Bluetooth® transmitter modulation: GFSK, π/4 DQPSK, 8DPSK,  Bluetooth® transmitter frequency range: 2400MHz - 2483.5 MHz,  Bluetooth® transmitter power: ≤ 10dBm (EIRP),  Product dimensions (W x H x D): 86.30 x 134.50 x 46.0 mm / 3.4” x 5.3” x 1.8”,  Net weight: 0.285kg / 0.628lbs  Packaging dimensions (W x H x D): 100.5 x 148 x 59 mm/ 3.9” x 5.8” x 2.3”,  Gross weight: 0.39 kg / 0.86 lbs  Battery type: Li-ion polymer 5.32 Wh (equivalent to 3.8 V/1400 mAh)  Battery charge time: 3 hours (5V/1A input),  Music play time: up to 12 hours plus 3 hours with Playtime Boost (dependent on volume level andaudio content)