Chip: BT ATS2825C
Bluetooth version: V4.2
Wireless working range: 20M (without obstacles )
Battery: 7.4V 2600mAH*2
Playing Time:12-14H （Medium volume）
Charging time：About 4H
Speaker:55mm*2 
Profiles supported:A2DP、AVRCP、HFP、HSP
SNR:≥80DB
Frequency Response:80Hz ~ 20KHz
Input voltage: DC5V/2A
Output voltage：DC5V/1A
Max power: 30W
Audio input: AUX,Bluetooth
Support:NFC, TWS,Siri， Voice chat
Material: PC+TPU+Fabric
Product size: 213mm*82mm*81mm
Net weight: 738g
Material: PC+TPU+Fabric
Certification : ROHS, CE RED, FCC-ID, BQB ,TELEC.IPX7