New fashion design IPX4 tws earphone 5.0 waterproof BT stereo TWS ture wireless earbuds
Specification:
Bluetooth version: bluetooth 5.0
Transmitted power: Class 2 (-6dbm - +4dbm)
Working band: 2.4G ISM band (2.402-2.480GHZ)
The charging voltage: 5V
Working voltage: 3.7v
Lithium polyme: batteries battery specification
support agreement: A2DP1.3/ HFP1.7 HSP1.2/ AVRCP 1.6/ EDR/AAC
The headset weighs: about 5.0g
ohms: 16ohmsQ plus or minus 15%
Sensitivity: 100+/-3 db
Frequency range : 20-20KHZ
Rated output power: 3mW
Maximum output power: 5mW
The outer diameter of the horn:14.2mmX h4. 5mm
Size silicon wheat: 2718
Why Jumboaudio?
1)Top 3 speaker box leading manufacturer in China since 2007,with long-term cooperation of word's leading importers e.g. Walmart, Coppel, ect.
2)3 manufacturing bases Covering 40, 000 square meters and 300~500 workers, with annual production capacity of 1, 200, 000 PCS.
3)Strong design ability with more than 20 people in R&D team, being familar with ODM developing.
4)More than 30, 000 retail shops & chain stores,over 10 million users.
5) ISO 9001, Wal-mart, FAMA, BSCI ,approved.
6)Testing passed NOM, UL, ETL, CB, CE, FCC, IRAM, SAA, Rohs, D&B safty angency.
JUMBOAUDIO is the global leading manufacturer in speaker box industry with more
than 15 year`s history and experience since 2007. There are 3 manufacturing bases
covering 40,000 square meters, with annual production capacity of 1,200,000 pcs.
JUMBOAUDIO boasts more than 30,000 retail shops and chain stores and over 10 million users.
It also has a strong R&D team of 12 professional technicians, annually developing 16 new models
comprising 7 working precedes and 10 key quality control points.
and 2 independent patents. JUMBOAUDIO has 14 Automatic Speaker Assemble Lines, comprising
7 working precedes and 10 key quality control points
Audited Supplier 
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