newest four waterproof Bluetooth wireless outdoor speaker stereo mountaineering priced 3D surround sound Blue

Translation missing: zh-CN.products.product.overview product description
Bluetooth Version: CSR-4.0
Bluetooth distance: 10 meters
Speaker: High quality inner magnet
Battery: Two 3600 mA battery is fully charged (the loudest can play 10 hours)


Features: 
100% Brand New and High Quality
Three defenses (waterproof, dustproof, shockproof) Bluetooth speakers. Easy to carry, 
Suitable for indoor and outdoor sports. 
The NFC, NFC-enabled phone can touch the connection, 
High-capacity battery support long battery life, 
Can make use of mobile power to charge other devices.
Bluetooth play song
Bluetooth phone, NFC function
Move the power function (full 3600 mA high-capacity)
3D surround effect
Official standard (speakers, packaging, audio cable, charging cable, carabiner)

Notes:
Please don't mind,
During the manufacturing process, it can have small scratchs.
Specifications: 
Type:         Bluetooth Speaker
Model: PT-390A
Material  Plastic
Color: Red, Blue, Black, Green
Size: 170mm x 69mm x 69mm (6.69in x 2.71in x 2.71in)
is_customized Yes
weight 0.465kg (1.025lb.)
Package Dimension (L x W x H): 208mm x 80mm x 74mm (8.19in x 3.15in x 2.91in)
Package weight: 0.465kg (1.025lb.)
Package Content: lot (1 pieces/ lot).