Waterproof Stereos Headset SW-B5

Waterproof Stereos Headset SW-B5 Waterproof IPX5 Balanced Armature Driver Magnetic Adsorption for Convenient Bracelet & Necklace Wearable Handsfree Hign Definition of Middle/ Hign Frequency TWS Wireless Stereo Headsets, Noise reduction Headsets. Specification Bluetooth Profile: A2DP/HFP/HSP/DSP Chipset: CSR 8640 Codec: SBC,AAC,MP3 Battery: 45*2 mAh Talk Time: 4.5 hours Music Time: 4.5 hours Standby Time: 180 hours Wireless Range: 10m Charging Time: 2 hours Dimension: D 9.9x18