Specification:
Bluetooth version: V5.0
Speaker power: 25W × 4
Colour: Black
Use transmission power: 1.49mW
Transmission frequency: 2.48GHz
Transmission distance: about 10 meters
Music playback time: about 6 hours
Charging time: 2-3 hours
Standby time: 240 hours
Supported formats: A2DP, AVRCP, HSP and HF
Battery: 18650, 3.7V / 2000mA
Signal to noise ratio: -70db
Frequency response: 100HZ-20KHZ
Charging voltage: DC 5V / 1A-2A
Charging socket: micro 5pin (V8)
Support TF card audio input
Support 3.5mm audio input
Support U disk audio input
With radio function.

Size: 58.5 × 5.85× 5cm
Weight: 684 grams

Standard specification list:(38 × 5.5 × 5.5cm)
1 * speaker (for all TVs)
1 * charging cable
1 * 3.5mm audio cable
1 * manual

specification:
Bluetooth version: V4.0
Speaker power: 10W × 2
Colour: Black
Battery type: 18650 polymer battery
Battery capacity: 1200mA
Use time: about 3.5 hours
Supported formats: A2DP, AVRCP, HSP and HF
Frequency response: 100Hz-20KHz
Transmission frequency range: 2.402G-2.480G
Signal to noise ratio: ±75db
Transmission distance: 8-10m
Charging type: microUSB 5V/1.5A
Size: 38*5.5*5.5cm
Bare metal weight: 515g