Speaker power (rms): 6.5W maximum, THD less than 20% in full battery level
Output power: 10W maximum
Power supply: lithium rechargeable battery: 7.4V DC, 1000mAh, charge current about 400mA
Frequency responses: 100Hz to 20kHz (-3dB), 100Hz > 8dB
Speaker: 2.5-inch 4Ω speaker
Dimensions: Φ110.16 x 49.2mm
Weight: 250g
Quantity: 30pcs/carton