Features:
lossless sound quality: The design of large bass diaphragm and full-frequency dual speakers provides a three-dimensional and powerful bass, with natural and balanced bass output, strong low frequency, high output, and an effective sound coverage area of 200 meters.
IPX5 waterproof design: The design of nylon + polyester material is not afraid of rain wash even in harsh environments such as lakes, jungles, and deserts.
Long : Built-in upgraded 2200mAh , can be used continuously for 16 hours after full , low energy consumption, stable performance, worry-free when going out.
5.0 technology: The new second- 5.0 technology has lower consumption, faster transmission, no delay in calls, -interference ability, and more stable signal. It can be compatible with devices such as phones, tablets, and computers, with a stable connection distance of to 10 meters.
Multiple mode selection: Provide AUX mode, TF mode, U disk mode, not only connection, but also more choices, enjoy as you like.
Portable design: The woven lanyard design is sturdy and , easy to pick the speaker, can be hung on the or at will, and portable, bring with you.
surround sound: Two connected can achieve surround sound, surround sound field, enjoy the shocking sound effects of the cinema.

Specification:
capacity: 2200 mAh                 
version: 5.0
Speaker: 4Ω 5W                
Transmission distance: about 10m                   
Frequency Response: 100Hz-20KHz         
Signal-to-noise ratio: ≥85dB
Operating voltage: 3.7V               
Distortion: <1 %
voltage: DC5V               
interface: type-c
Talking : about 3h
TF playback: 2-5H
Standby : ≥30 days
: 2-3H
Product size: 80* 80* 182mm
Product weight: 500g
Package size: 84*84*186mm
Package weight: 560g

Package list:
1* Speaker
1* Cable
1* Instruction manual
1* Hand rope