Great Music on the Go with the XDUOO XP-2 Portable Bluetooth DAC/AMP

XDUOO XP-2 BLUETOOTH DAC/AMP PORTABLE Bluetooth receiver: Bluetooth 5.0, supports AAC, SBC, aptX THD+N: 0.008% (1 kHz) Gain: +3 / +9 dB Frequency response: 10 Hz–100 kHz (+/- 0.5 dB) USB sampling rate: Supports 44.1–192 kHz, 16–24 bit USB receiver: Supports Android mobile phone with OTG function and 192 kHz/24-bit lossless transmission at most, computer USB input; supports Windows XP, 7, 8, 10 (with the driver installed); Mac Output power: 245 mW at 32 ohms Recommended headphone impedance: 16–300 ohms Battery: 3.7 V / 1,800 mAh Battery life: Aux in: 15 hours; Bluetooth input: ≥ 12 hours; USB in: ≥ 8 hours Dimensions: 4.1 x 2.2 x 0.6 in (105 x 56 x 15 mm) Weight: 4.1 oz (115 g)